Pronunciation: (kop'yu-lu),[key] —n., —pl.-las, -laePronunciation: (-lē").[key] 1. something that connects or links together.
2. Also called linking verb.Gram.a verb, as be, seem, or look, that serves as a connecting link or establishes an identity between subject and complement.
3. Logic.a word or set of words that acts as a connecting link between the subject and predicate of a proposition.