ˌkäpyəˈlāshən noun
( -s )
Etymology: Middle English copulacioun, from Middle French copulation, from Latin copulation-, copulatio, from copulatus + -ion-, -io -ion
1. : the act of coupling or joining : the state of being coupled or joined : union , conjunction
wit, you know, is the unexpected copulation of ideas — Samuel Johnson
2.
a. : sexual union : coitus
b. : permanent fusion of gametes — compare conjugation
3. : the joining of subject and predicate by a copula
4. : coupling — compare couple vi 2b