- (countable) The act of coupling or joining; union; conjunction.
- (uncountable) Sexual procreation between a man and a woman or transfer of the sperm from male to female; usually applied to the mating process in nonhuman animals; coitus; coition.
- See also Wikisaurus:copulation
the act of joining
copulation — see sexual intercourse
the coming together of male and female in sexual intercourse