En banc Definition: (French) As a full bench. A court sitting or rendering reasons for judgment as one; an indivisible voice of the full court comprised of all judges who heard the case.REFERENCES: Interpretation Act, RSNL 1990, c I-19, §27(2) (NOTE #1) Categories & Topics: Civil Litigation & Evidence Law Dictionary Dictionary of Latin Law Terms Find you are constantly looking up definitions? Try our search provider (works in most modern browsers) If you find an error or omission in Duhaime's Legal Dictionary, or if you have legal term suggestion, we'd love to hear from you!