| n. | 1. | The act of coupling or joining; union; conjunction. |
| 2. | The coming together of male and female in the act of generation; sexual union; coition. |
| Noun | 1. | copulation - the act of sexual procreation between a man and a woman; the man's penis is inserted into the woman's vagina and excited until orgasm and ejaculation occur Synonyms: carnal knowledge, coition, coitus, sex act, sexual congress, sexual intercourse, sexual relation, intercourse, relation, congress |