'Copulate' definitions:

Definition of 'copulate'

From: WordNet
verb
Engage in sexual intercourse; "Birds mate in the Spring" [syn: copulate, mate, pair, couple]

Definition of 'Copulate'

From: GCIDE
  • Copulate \Cop"u*late\, a. [L. copulatus, p. p. of copulare to couple, fr. copula. See Copula.]
  • 1. Joined; associated; coupled. [Obs.] --Bacon. [1913 Webster]
  • 2. (Gram.) Joining subject and predicate; copulative. --F. A. March. [1913 Webster]

Definition of 'Copulate'

From: GCIDE
  • Copulate \Cop"u*late\, v. i. [imp. & p. p. Copulated; p. pr. & vb. n. Copulating.] To unite in sexual intercourse; to come together in the act of generation. [1913 Webster]