perinaeon

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

pĕrĭnaeon and pĕrĭnēon, i, n., = περιναιον, περινεον,

the space between the sexual parts and the fundament , the perineum (post-class.), Cael. Aur. Tard. 5, 4, 66; 68; 5, 3, 59.