To engage in coitus or sexual intercourse.(verb-intransitive)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "copulate" in a sentence
"What takes priority, our so called naturalistic sense of right and wrong or our biological desire to sexually copulate, which is essential for self preservation."
"Brooke did indeed "copulate" first with a man at the Orchard."
"Log in to Reply they should tell Waxman to go copulate with himself - nt"