Dictionary of Latin Law Terms

Duhaime's Latin Law Dictionary

Roman Centurion lawyer.
"I detest any attempt to bring the law into maxims. Maxims are invariably wrong, that is, they are so generally and large that they always include something which is not intended to be included."

To the 1887 obiter dictum of Justice Esher in Yarmouth v France, we reply ab absurdo! Only a dork would try to fit a square peg of a set of facts before a court into the round hole of a Latin maxim.

The point of maxims is not to settle any individual case. It is to articulate the principled foundations on which the law is built, de benne esse only.

Each is an ancient treasure of Roman law which not only embellish as much the common law as the civil law but rightfully shape, mould and intellectually structure lawyers from the first day of law school to the last law journal read in retirement.

Ab Absurdo
Latin: an evidentiary suggestion or statutory interpretation that is, or leads to, an absurdity.
Aberratio Ictus
Latin: the accidental harm to a person; e.g. perpetrator aims at X but by chance or lack of skill hits Y.
Ab Initio
Latin: from the start; from the beginning.
Accusare Nemo Se Debet Nisi Coram Deo
Latin: no man is obliged to accusehimself except before God.
Actio Personalis Moritur Cum Persona
Latin: any right of action dies with the person.
Actus Dei Nemini Facit Injuriam
Latin: An act of God causes legal injury to no one.
Actus Reus
Latin: a prohibited act.
Actus Reus Non Facit Reum Nisi Mens Sit Rea
Latin: conviction of a crime requires proof of a criminal act and intent.
Ad Colligendum Bona
Latin: for the collection of the goods of the deceased.
Ad Damnum
Latin: to the damage.
Ad Hoc
Latin: limited in time; to this point.
Ad Infinitum
Latin: forever; without limit; indefinitely.
Ad Litem
Latin: for the suit.
Ad Proximum Antecedens Fiat Relatio Nisi Impediatur Sententia
Latin: relative words must ordinarily be referred to the last antecedent, the last antecedent being the last word which can be made an antecedent so as to give a meaning.
A fortiori
Latin: with all the more force.
Agnatio
Latin: members of a group having a common male ancestor.
Alia Enormia
Latin: The catch-all phrase in trespass pleadings to refer to all such other harms and damages that may have been caused by the alleged trespasser other than those specified.
Alibi
A defence to a criminal charge to the effect that the accused was elsewhere than at the scene of the alleged crime.
Alieni juris
Latin: under the legal authority of another.
Amicus Curiae
Latin: friend of the court.
Animus
Latin: intention.
Animus Contrahendi
Latin: an intention to contract.
Animus Furandi
Latin: an intent to do wrong.
Audi Alteram Partem
Latin; literally 'hear the other side'.
Audita Querela
An application to a court after judgment seeking to avoid execution of that judgment because of some event intervening between judgment and execution which compromises the judgment creditor's entitlement to execution.
A Vinculo Matrimonii
Latin: of marriage.
Avunculus
Latin: a mother's brother.
Bona Fide
Latin: good faith.
Bona Vacantia
Property that belongs to no person, and which may be claimed by a finder.
Bonus pater familias
Latin: the good family man.
Casus Foederis
Latin: treaty event.
Causa Causans
The real, effective cause of damage.
Causa Proxima Et Non Remota Spectatur
Latin: the immediate, not the remote cause, is to be considered.
Causa Sine Qua Non
An intervening cause of loss which, though not direct, may nonetheless contribute to the loss.
Caveat
Latin: let him beware. A formal warning.
Caveat Emptor
Let the buyer beware or that the buyers should examine and check for themselves things which they intend to purchase and that they cannot later hold the vendor responsible for the broken condition of the thing bought.
Certiorari
A formal request to a court challenging a legal decision of an administrative tribunal, judicial office or organization (eg. government) alleging that the decision has been irregular or incomplete or if there has been an error of law.
Cestui Que Trust or Cestui Que Use
Latin: the beneficiary of a trust.
Ceteris Paribus
Latin: all things being equal or unchanged.
Commodum Ex Injuria Sua Nemo Habere Debet
Latin: a wrongdoer should not be enabled by law to take any advantage from his actions.
Commorientes
Two or more persons dying at about the same time, usually in the same event, but in circumstances in which it is impossible to determine the order of death.
Consensus
A decision achieved through negotiation whereby a hybrid resolution is arrived on an issue, dispute or disagreement, comprising typically of concessions made by all parties, and to which all parties then subscribe unanimously as an acceptable resolution.
Consensus Ad Idem
Latin: an agreement - a meeting of the minds between the parties where all understand the commitments made by each. A basic requirement for a contract.
Consortium
Companionship, love and affection and intimacy between husband and wife within a mariage.
Consuetudo Volentes Ducit, Lex Nolentes Trahit
Customs leads the willing, law drags the unwilling.
Contemporanea Expositio
That the meaning of words in a document are to be understood in the sense which they bore at the time of the document.
Crimen Omnia Ex Se Nata Vitiat
Latin: property obtained by crime is tainted (vitiated).
Cuius Est Solum Ejus Est Usque Ad Caelum
Latin: whose is the soil, his it is even to the skies and to the depths below.
Cuius Est Solum Ejus Est Usque Ad Coelum Et Ad Inferos
Latin: for whoever owns the soil, it is theirs up to heaven and down to hell.
Culpa Lata
Latin: gross negligence.
Custodia Legis
In the custody of the law; the taking, seizing or holding of something by lawful authority.
Damnum Absque Injuria
Latin: harm absent a wrong.
Damnum Injuria Datum
Latin: wrongful injury to the property of another.
De Bene Esse
To take something for what it is worth, such as evidence collected for the time being, in the absence of, but in anticipation of, litigation, admissibility to be determined when such thing is sought to be used against another at trial.
De Bonis Non
Latin: assets not yet administered.
Decree Nisi
A provisional decision of a court which does not have force or effect until a certain condition is met such as another petition brought before the court or after the passage of a period time.
Dedimus Potestatem de Attornato Faciendo
Latin: An ancient common law exemption from the requirement to attend any court summons in person allowing, instead, representation by an attorney.
De Facto
Latin: in fact.
De Jure
Latin: of the law.
Delegatus Non Potest Delegare
Latin: a delegate cannot delegate.
Delict
A civil law term which imposes liability on a person who causes injury to another, or for injury caused by a person or thing under his custody.
De Minimis Non Curat Lex
Latin: a common law principle whereby judges will not sit in judgment of extremely minor transgressions of the law.
De Novo
Latin: new.
Dicta or Dictum
Latin: saying.
Dies Dominicus Non Est Juridicus
Latin: Sunday is not a day for judicial or legal proceedings.
Divorce a Mensa et Thoro
An obselete form of divorce order which did not end the marriage but allowed the parties to reside separate; in effect, a legal or judicially-sanctioned separation of two married persons.
Dominion Utile
Latin: the property rights of a tenant; exclusive right to use a thing
Dominium Directum
Latin: qualified ownership of a land: not having possession or use of property but retaining ownership.
Domitae Naturae
Animals which are of a nature easily tamed and may be readily domesticated.
Donatio Mortis Causa
A death-bed gift, made by a dying person, with the intent that the person receiving the gift shall keep the thing if death ensues.
Duces Tecum
Latin: bring with you.
Dum Casta
Latin: for so long as she remains chaste.
Dum Sola
Latin: for so long as she remains unmarried.
Dum Sola et Casta Vixerit
Latin: for so long as she remains single (unmarried) and chaste.
Dum Vidua
Latin: for so long as she remains a widow.
Ejusdem or Eiusdem Generis
Of the same kind or nature.
Emptio or Emtio
Latin for 'purchase' or referring to the contract in which something is bought.
En banc
(French) As a full bench.
Error In Objecto
A mistake by a perpetrator as to the identity of the victim; an error as to the object of his act.
Et. al.
Latin: and others.
Et Impotentia Excusat Legem
The law excuses someone from doing the impossible.
Ex Aequo Et Bono
Latin: in justice and fairness.
Exceptio Non Adimpleti Contractus
Latin: exception of a non-performed contract.
Ex Debito Justitiae
Latin: as of right.
Ex Juris
Latin: outside of the jurisdiction.
Ex officio
Latin: by virtue of office.
Ex Parte
Latin: outside the awareness of a party; for one party only.
Ex Patriate
A person who has abandoned his or her country of origin and citizenship and has become a subject or citizen of another country.
Ex Post Facto
Latin: after the fact.
Expressio Unius Est Exclusio Alterius
Latin: the expression of one thing is the exclusion of the other.
Ex Rel
Latin: on the relation of, or the information of.
Ex Turpi Causa Non Oritur Actio
Latin: Of an illegal cause there can be no lawsuit.
Falsa Demonstratio Non Nacet
A wrong description of an item in a legal document (such as a will) will not necessarily void the gift if it can be determined from other facts.
Fiat Justitia Ruat Caelum
Latin: do justice though the heavens fall.
Fieri Facias
Latin: that you cause to be made. Mostly used to refer to a writ of judgment enforcement obtained under the old common law of England.
Functus Officio
Latin: an officer or agency whose mandate has expired either because of the arrival of an expiry date or because an agency has accomplished the purpose for which it was created.
Furiosi Nulla Voluntas Est
Latin: mentally impaired persons cannot validly sign a commit their will.
Furtum
Latin: theft or a thing stolen..
Habeas Corpus
Latin: a court petition which orders that a person being detained be produced before a judge for a hearing to decide whether the detention is lawful.
Hereditas
Latin: the estate of a deceased person.
Hereditas Damnosa
Latin: an inheritance that is more of a burden than a benefit.
Hereditas Jacens
Latin: an unclaimed estate.
Hostis Humani Generis
Latin: the enemy of mankind.
Ignorantia Juris Non Excusat
Latin: ignorance of the law is no excuse.
In Absentia
Latin: in the absence of.
In Camera
A closed and private session of Court or some other deliberating body.
In Jure Non Remota Causa Sed Proxima Spectatur
Latin: In law the near cause is looked to, not the remote one.
In Limine
Latin: at the beginning or on the threshold.
In Loco Parentis
A person who, though not the natural parent, has acted as a parent to a child and may thus be liable to legal obligations as if he/she were a natural parent.
In Pari Delicto
Latin: both parties are equally at fault.
In Personam
Latin: regarding a person; a right, action, judgment or entitlement that is attached to a specific person(s).
In Rem
Latin: regarding a thing; proprietary in nature; a right or judgment related to the use or ownership of an item of property.
Inter Alia
Latin: 'among other things', 'for example' or 'including'.
Interest Reipublicae Ut Sit Finis Litium
Latin: in the interest of society as a whole, litigation must come to an end.
Inter Partes
Latin: between, among parties.
In Terrorem
Latin: in terror, fright, threat or warning.
Inter Se
Latin: as between or amongst themselves.
Inter Vivos
Latin: from one living person to another living person.
In tota fine erga omnes et omnia
Latin: for all purposes, in regards to all and everything.
In Toto
Latin: in total.
Intuitu Personae
Latin: Because of the person.
Ipso facto
Latin: by the act itself.
Ipso jure
Latin: by operation of law.
J. D.
Abbreviation for juris doctor or doctor of jurisprudence and the formal name given to the university law degree in the United States.
Judex
A form of judge in early Roman law.
Jura Regalia
Rights which belong to the Crown or to the Government.
Jurat
The written certification by a judicial officer that a deponent or affiant recognizes and endorses all parts of an affidavit he or she proposes to sign, and confirms that an oath has been administered in this regard to the affiant.
Jure
Latin: by right, under legal authority.
Jure Coronae
A right of the Crown.
Juris Utriusque Doctor
Latin: a combined law degree, in both civil and canon law.
Jus
Latin: the law or a legal right.
Jus Ad Bellum
Latin: the legal authority to wage war.
Jus Cogens
Latin: peremptory law.
Jus Dispositivum
Law adopted by consent.
Jus Ex Injuria Non Oritur
Latin: a legal right or entitlement cannot arise from an unlawful act or omission.
Jus Publicum
Latin: legal rights enjoyed by all citizens; more recently used in reference to the right of the public to access shorelines for fishing, boating, swimming, water skiing and other related purposes.
Jus Spatiandi Et Manendi
Latin: the right to stray and remain.
Justiciar
An obsolete judicial position of English nobility; that of chief justice of the realm.
Lex Causae
Latin; law of the cause.
Lex Fori
Latin for the law of the forum.
Lex Loci Contractus
Latin: the law of the place where the contract is made.
Lex Loci Delecti
Latin: the place of the wrong.
Lex Non Cogit Ad Impossibilia
Latin: The law does not compel a man to do that which is impossible.
Lex Non Scripta
Unwritten law; the common or custom law.
Lex Scripta
Written law; statutes.
Lex Situs
A conflict of law rule that selects the applicable law based on the venue or location of something.
Lis Pendens
Latin: a dispute or matter which is the subject of ongoing or pending litigation.
Locus
Latin: the place; venue.
Locus Regit Actum
Latin: The law of the place where the facts occurred.
Locus Standi
Latin: legal standing before a court.
Lubricum Linquae Non Facile Trahendum Est In Poena
Latin: the law tends to overlook rash or inconsiderate language spoken in the heat of the moment.
Mala Fides
Latin: bad faith.
Mandamus
A writ which commands an individual, organization (eg. government), administrative tribunal or court to perform a certain action, usually to correct a prior illegal action or a failure to act in the first place.
Mansuetae Naturae
Latin: animals which are now generally domestic, presumed gentle and readily tamed, such as dogs, cats, cows and horses.
Mens Rea
Latin for guilty mind; guilty knowledge or intention to commit a prohibited act.
Mobilia Sequuntur Personam, Immobilia Situa
Latin: movables follow the person, immovables their locality.
Modus Operandi
Latin: method of operation.
Mortis Omnia Solvit
Latin: Death puts an end to everything.
Mutatis Mutandis
Latin: with changes on points of detail.
Necessitas Indicit Privilegium Quoad Jura Privata
From necessity spring privileges upon private rights.
Nemo Debet Bis Vexari Pro Una Et Eadem Causa
Latin: No-one shall be tried or punished twice in regards to the same event.
Nemo Debet Locupletari Ex Aliena Jactura
Latin: no one should be enriched by another's loss.
Nemo Judex In Parte Sua
Latin: no person can judge a case in which he or she is party or in which he/she has an interest.
Nisi Prius
Latin: a civil jury trial.
Nolle Prosequi
Latin: no prosecution.
Nolo Contendere
Latin: I will not defend.
Non Compos Mentis
Latin: Not of sound mind.
Non Est Factum
Latin for not his deed and a special defense in contract law to allow a person to avoid having to respect a contract that she or he signed because of certain reasons such as a mistake as to the kind of contract.
Non Sequitur
Latin: it does not follow.
Noscitur a sociis
Latin: that the meaning of a word may be known from accompanying words.
Nudum Pactum
Latin: an empty pact; a contract for which there is no consideration.
Nunc Pro Tunc
Latin: deemed retroactive.
Nuptias non concubitus sed consensus facit.
Latin: consent, not physical intercourse, constitutes marriage.
Obiter Dictum
Latin: an observation by a judge on a matter not specifically before the court or not necessary in determining the issue before the court.
Onus
Latin: the burden.
Pacta Sunt Servanda
Latin: agreements must be kept.
Parens Patriae
Latin: literally, father of the country. Refers to the inherent jurisdiction of the courts to make decisions concerning people who are not able to take care of themselves.
Pari Delicto
Latin: of equal fault.
Pari Passu
Latin: Equitably and without preference.
Pendente Lite
Latin: during litigation.
Per Capita
Latin: by the head. The proposed distribution of an estate of property to surviving specified beneficiaries only and not, in the event of pre-death of the beneficiary, to the heirs of the pre-deceased beneficiary.
Per Curiam
Latin: on behalf of the court.
Per Incuriam
Latin: through want of care.
Per Infortunium
Latin: by misadventure.
Per Quod Consortium Amisit
Latin: whereby he loses the company of his wife.
Per Se
Latin: of itself.
Per Stirpes
Latin: an entitlement to participate in the distribution of property, such as an estate, that flows down to the named beneficiary's next heir if he or she is otherwise unable to take his or her share.
Pia Causa
Latin: charitable purposes.
Piracy Jure Gentium
Piracy according to the law of nations.
Plene Administravit
Latin for administration (is) complete.
Præcipe or Precipe
Latin: an initiating document presented to a court clerk to be officially issued on behalf of the court or a the covering memo or letter from the lawyer (or plaintiff) which accompanies and formally asks for the writ to be issued by the court officer.
Praemunire
An offence initially to prefer the Pope or his authority as against the King of England or Parliament, but later included a wide assortment of offenses against the King and always leading to serious penalties.
Prima Facie
(Latin) A legal presumption which means on the face of it or at first sight.
Pro Bono
Latin: for the good.
Pro Forma
Latin: for the sake of form.
Pro Possessore
Latin: a person who holds something only as possessor, not necessarily as owner.
Pro Possessore Habetur Qui Dolo Injuriave
Latin: he whose possession is taken away by fraud or injury will be deemed to continue to possess.
Pro Rata
Latin: to divide proportionate to a certain rate or interest.
Pro Se
Latin: on one’s own behalf.
Pro Socio
Latin: on behalf of a partnership.
Pro Tempore
Latin: something done temporarily only and not intended to be permanent.
Quaere
Latin for "query" as in an issue on which some doubt or question exists.
Quaestor
In ancient Roman law, senior legal advisor.
Quam legem exteri nobis posuere, eandem illis ponemus
Latin: What law is imposed by foreign powers on our merchants, we will impose on their's.
Quantum
Latin: amount or extent.
Quantum Meruit
Latin: as much as is deserved.
Quia Emptores
A 1290 English statute that held that notwithstanding the subdivision (subinfeudation) of a feeholding; the new tenant owed feudal rights and obligations not to the seller but to the Land Lord.
Quicquid Plantatur Solo, Solo Cedit
Latin: whatever is planted in the ground, belongs to the ground.
Quid Pro Quo
Latin: something for something.
Qui Facit Per Alium Facit Per Se
Latin: he who acts through another, acts himself.
Qui Jure Suo Utitur Neminem Facit Injuriam
Latin: he who exercises his legal rights harms no one.
Qui Non Obstat Quod Obstare Potest, Facere Videtur
Latin: an individual who does not prevent something which he/she could of prevented, is taken to have done that thing.
Qui Prior Est Tempore, Potior Est Jure
Latin: he who is earlier in time is stronger in law.
Qui Tam
Latin: who as well.
Quod Remedio Destituitur Ipsa Re Valet, Si Culpa Absit
Latin: That which is without a remedy is valid by the thing itself, if there be no fault.
Quorum
The minimum number of voting members that must be in attendance at a meeting of an organization for that meeting to be regularly constituted.
Quo Warranto
Latin: legal procedure taken to stop a person or organization from doing something for which it may not have the legal authority, by demanding to know by what right they exercise the controversial authority.
Rapina
Latin: to take away forcefully.
Ratio Decidendi
Latin: reasons for a decision.
Ratione loci
Latin: by reason of the place.
Ratione Personae
Latin: by reason of his person.
Rebus Sic Stantibus
Latin: changed circumstances.
Reddendum
Latin: that part of a lease which sets out the amount of rent and when it is payable.
Remanet
Latin: an action that has been put over, deferred to a later time.
Res Derelicta
Latin: a thing abandoned.
Res Gestae
Latin: things done.
Res Ipsa Loquitur
Latin: the thing speaks for itself.
Res Judicata
Latin: already subject to judicial determination.
Res Noviter Veniens Ad Notitiam
Latin: Fact(s) newly coming to knowledge.
Respondeat superior
Latin: let the principal answer.
Restitutio In Integrum
Latin: restitution to the original position.
Retraxit
Latin: a withdrawal of a legal action.
Rex Debet Esse Sub Lege, Quia Lex Facit Regem
The king should be subject to the law for the law makes the king.
Salus Populi Est Suprema Lex
Latin: the welfare of an individual yields to that of the community.
Scaccarium
Latin: chess game but in English law, the exchequer, usually in reference to the Court of Exchequer.
Scienter
Latin: actual or guilty knowledge; knowingly.
Scintilla Juris
Latin: a spark of legal right.
Se Defendendo
Latin: self-defence.
Sic Utera Tuo Ut Alienam Non Laedas
Latin: use your property in such a fashion so as to not disturb others.
Sine Die
Latin: without a day. Taken to mean without fixing a day for continuation.
Sine Qua Non
Latin: without which, not.
Situs
Latin: location.
Stare Decisis
Latin: stay with what has been decided.
Statutes in Pari Materia
Statutes sharing a common purpose or relating to the same subject and which are construed together.
Strictissimi Juris
Latin: the strictest letter of the law.
Sub Judice
Latin: under judicial consideration.
Subpoena
Latin: an order of a court which requires a person to be present at a certain time and place or suffer a penalty (subpoena means, literally, under penalty).
Sui Generis
Latin: of its own kind.
Sui Juris
Latin: one's own law; having full capacity.
Summa Ratio Est Quae Pro Religione Facit
Latin: The best rule is that which advances religion.
Tenendum
Latin: to be held. In law, that part of a contract in which an interest in real property is created that sets out the extent or limitations of that interest.
Tractatus de legibus et consuetudinibus regni Angliae
1188 statement of English common law.
Transit In Rem Judicatam
Latin: The cause of action is changed into matter of record, which is of a higher nature, and the inferior remedy is merged in the higher.
Uberrimae Fidei
Latin: of the utmost good faith.
Ubi Jus Ibi Remedium
Latin: For every wrong, the law provides a remedy.
Ultra Petita
Latin: beyond that which is sought.
Ultra Vires
Latin: without authority.
Use
Latin: trust.
Usufruct
The rights to the product of another's property.
Usury
Excessive or illegal interest rate.
Ut Res Magis Valeat Quam Pereat
Latin: It is better for a thing to have effect than to be made void.
Vacatur
Latin: to set aside a judgment.
Valeat Quantum Valere Potest
Latin: it shall have effect as far as it can have effect.
Vana Est Illa Potentia Quae Nunquam Venit In Actum
Latin: power is vain if never put into action.
Venditio
Latin: a sale.
Venditio Bonorum
Latin: sale of goods.
Verba Fortius Accipiuntur Contra Proferentem
Latin: a contract is interpreted against the person who wrote it.
Videlicet
Latin: to wit or that is to say.
Vigilantibus Et Non Dormientibus Jura Subveniunt
Latin: the law assists those that are vigilant with their rights, and not those that sleep thereupon.
Vinculum Juris
Latin: a legal bound.
Vir
Latin: man or husband.
Viva Voce
Latin: by voice.
Viz
Latin: to wit, that is to say.
Volenti Non Fit Injuria
Latin: to one who is willing, no harm is done.

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