(somewhat formal) To engage in sexual intercourse.

(obsolete) Joined; associated; coupled. / (grammar) Joining subject and predicate; copulative.

simple past tense and past participle of copulate

Third-person singular simple present indicative form of copulate

(countable) The act of coupling or joining; union; conjunction.

plural of copulation

Of or pertaining to copulation. / (grammar) That acts as a copula. / (grammar) That connects the subject of a clause with its complement.

(obsolete) connection / (grammar) A copulative conjunction.

present participle of copulate

Someone who has sexual intercourse.