copulative(n = noun.communication) copula, linking verb - an equating verb (such as `be' or `become') that links the subject with the complement of a sentence;
is a kind of verb
Derived form adjective copulative₁

   copulative(s = adj.all) - syntactically connecting sentences or elements of a sentence; "`and' is a copulative conjunction"
Derived form noun copulative₁

   Serving to couple, unite, or connect; as, a copulative conjunction like “and”. [1913 Webster]

1.  Connection. Rycaut. [1913 Webster]

2.  A copulative conjunction. [1913 Webster]

copulative, adj.
1 serving to connect.
2 Gram. a (of a word) that connects words or clauses linked in sense (cf. DISJUNCTIVE). b connecting a subject and predicate.
3 relating to sexual union.

Derivative:
copulatively adv.

Etymology:
ME f. OF copulatif -ive or LL copulativus (as COPULATE)

copulative conjunction