Source : Webster's Revised Unabridged Dictionary (1913)

Sodomy \Sod"om*y\, n. [From Sodom. a country mentioned in the
   Bible: cf. F. sodomite.]
   Carnal copulation in a manner against nature; buggery. --Gen.
   xix. 5.

Source : WordNet®

sodomy
     n : anal intercourse committed by a man with a man or woman
         [syn: {buggery}, {anal sex}, {anal intercourse}]