Entry 3 senses · 2 variants Webster, 1913 Copulative · Cop·u·la·tive · IPA /ˈkɒpjʊlətɪv/ a. n. 01 a. Serving to couple, unite, or connect; as, a copulative conjunction like “and”. 1. Serving to couple, unite, or connect; as, a copulative conjunction like “and”. 02 n. Connection. 1. Connection.[Obs.] 2. A copulative conjunction.(Gram.)