Sodomy

n. act of anal or oral sex with a member of the opposite sex; copulation with a member of the same sex; bestiality, copulation with an animal

Sodomy is a term used particularly in law, and with wider local currency, to describe an act of sexual intercourse except copulation. The term comes from the Ecclesiastical Latin: pecatum Sodomiticum, or "sin of Sodom". The expression has biblical origin and was used to characterize sexual acts that were attributed to citizens of ancient Sodom and Gomorrah.
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Sodomy /sod·o·my/ 1. anal intercourse. 2. old term for any form of homosexuality, or sometimes any of numerous paraphilias. sod·om·y n. 1. [more]Sodomy - Community and Resources

Noun
1. anal intercourse committed by a man with a man or woman
(synonym) buggery, anal sex, anal intercourse
(hypernym) perversion, sexual perversion
(derivation) sodomize, sodomise, bugger

(n.)
Carnal copulation in a manner against nature; buggery.