Duhaime's Law Dictionary Gay Definition: A homosexual individual. Related Terms: Homosexuality, Queer, Sexual Orientation, Bisexual A homosexual individual.1 A relationship described as a gay relationship, for example, is a reference to a romantic or sexual relationship between two individuals of the same gender. Without distinction as to gender, contrary to, for example, with the term lesbian, a gay individual includes and refers to either a gay woman (lesbian) or a gay man. REFERENCES: NOTE 1: Haig v. Canada, 16 CHRR 224 (1991) Categories & Topics: Duhaime's Legal Dictionary of Human Sexuality Always looking up definitions? Save time with our search provider (modern browsers only) If you find an error or omission in Duhaime's Law Dictionary, or if you have suggestion for a legal term, we'd love to hear from you!