WordReference Random House Unabridged Dictionary of American English © 2026
cop•u•la•tion
(kop′yə lā′shən),USA pronunciation n.
- sexual intercourse.
- a joining together or coupling.
- Latin cōpulātiōn- (stem of copulātio) a binding together. See copulate, -ion
- Middle English copulacion 1350–1400
'copulation' also found in these entries (note: many are not synonyms or translations):
claspers
- copulative
- dart
- diaphragm
- mount
- oestrus
- penis
- sexual intercourse
- virile
- clasper
- clitellum
- gonopodium
- love
- sex act
- sodomy