1. serving to connect or link words or clauses
Usage: grammar
2. relating to or involving sexual intercourse
Usage: formal; medical

Examples

• The verb ‘is’ serves a copulative function in the sentence.
• Copulative verbs like ‘seem’ and ‘become’ link subjects to complements.
• The copulative conjunction ‘and’ joins two independent clauses.
• Medical texts often use copulative terminology when discussing reproduction.
• In grammar class, we studied copulative constructions.
• The copulative verb ‘appears’ connects the subject to its description.