(kō'i-tŭs), Avoid the mispronunciations kō-ē'tus, kō-ī'tus, and koy'tus.Sexual union between male and female. Synonym(s): coition, copulation (1) , pareunia, sexual intercourse [L.]
co·i·tus
(kō'i-tŭs) Sexual union. Synonym(s): coition, copulation (1) , pareunia, sexual intercourse. [L.]