coitus mating copulation http://purl.obolibrary.org/obo/GO_0007620 https://en.wikipedia.org/wiki/Copulation_(zoology) https://www.wikidata.org/wiki/Q30600878 The act of sexual union between male and female, involving the transfer of sperm. Typically utilized only in nonhuman animals. animal copulatory behavior copulate copulating copulation behavior in animals copulation in animals copulatory behavior in animals copulation sexual intercourse The Complete Dictionary of Sexology