Entry 3 senses · 2 variants Webster, 1913

Copulate

/käp'-yəl-ātˌ/ · Cop·u·late · IPA /ˈkɔ.pjə.leɪt/

01 a. Joined; associated; coupled.

1.
Joined; associated; coupled.[Obs.]
2.
Joining subject and predicate; copulative.(Gram.)

02 v. i. To unite in sexual intercourse; to come together in the act of generation.

imp. & p. p. Copulated; p. pr. & vb. n. Copulating

1.
To unite in sexual intercourse; to come together in the act of generation.