— perineal , adj.
/per'euh nee"euhm/ , n. , pl. perinea /-nee"euh/ . Anat.
1. the area in front of the anus extending to the fourchette of the vulva in the female and to the scrotum in the male.
2. the diamond-shaped area corresponding to the outlet of the pelvis, containing the anus and vulva or the roots of the penis.
[ 1625-35; períneon, períneos, perínaios, appar. equiv. to per ( i )- PERI- + ine-, ina-, stems of ineîn, inân to evacuate, empty + -( i ) os, -( i ) on n. suffix ]