copulative

adjective

1. serving to unite or couple.
2. Grammar.
   1. involving or consisting of connected words or clauses: a copulative sentence.
   2. pertaining to or serving as a copula; serving to connect subject and complement: a copulative verb.
   3. serving to connect nouns, noun phrases, verbs, clauses, etc.: a copulative conjunction.
   4. of the dvandva type: Bittersweet is a copulative compound.
3. of or relating to sexual intercourse.

noun

4. Grammar. a copulative word.

adjective

1. serving to join or unite
2. of or characteristic of copulation
3. grammar (of a verb) having the nature of a copula