perineum (adjective, perineal): the region between the thighs, bounded by the anus and the scrotum or the vulva in, respectively, males and females.

Dictionary of Sexology Project: Main Index

Per`i*ne"um (?), n. [NL., fr. Gr. , .] Anat.

The region which is included within the outlet of the pelvis, and is traversed by the urinogenital canal and the rectum.

 

© Webster 1913.

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