n.
Any of various forms of sexual intercourse held to be unnatural or abnormal, especially anal intercourse or bestiality.
[Middle English sodomie, from Old French, from Sodome, Sodom, from Latin Sodoma, from Greek, from Hebrew sədōm.]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.