Source : Webster's Revised Unabridged Dictionary (1913)

Copulative \Cop"u*la"tive\, a. [L. copulativus: cf. F.
   copulatif.]
   Serving to couple, unite, or connect; as, a copulative
   conjunction like ``and''.

Copulative \Cop"u*la*tive\, n.
   1. Connection. [Obs.] --Rycaut.

   2. (Gram.) A copulative conjunction.

Source : WordNet®

copulative
     adj : syntactically connecting sentences or elements of a
           sentence; "`and' is a copulative conjunction" [syn: {connecting}]

copulative
     n : an equating verb (such as `be' or `become') that links the
         subject with the complement of a sentence [syn: {copula},
          {linking verb}]