Definition of "BD"
BD1
noun
countable and uncountable, plural BDs
(military) Initialism of battledress.
(pathology) Initialism of Behçet's disease.
(pathology) Initialism of bipolar disorder.
(pathology) Initialism of Bowen's disease.
(handbells) Initialism of brush damp.
(BDSM) Initialism of bondage and discipline.
(finance) Initialism of broker-dealer.
BD2
noun
plural BDs
(borrowed) Comics.
BD3
noun
plural BDs
(colloquial, originally and chiefly Internet slang) An act of sexual intercourse for the purpose of conception.
verb
third-person singular simple present BDs, present participle BDing, simple past and past participle BDed or BD'd
(colloquial, originally and chiefly Internet slang) To have sexual intercourse for the purpose of conception.