perineum

perineum [per-uh-nee-uh m] Word Origin noun, plural per·i·ne·a [per-uh-nee-uh] /ˌpɛr əˈni ə/. Anatomy.

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.

Origin of perineum 1625–35; New Latin Greek períneon, períneos, perínaios, apparently equivalent to per(i)- peri- + ine-, ina-, stems of ineîn, inân to evacuate, empty + -(i)os, -(i)on noun suffixRelated formsper·i·ne·al, adjective British Dictionary definitions for perinea perineum noun plural -nea (-ˈniːə)

1. the region of the body between the anus and the genital organs, including some of the underlying structures
2. the nearly diamond-shaped surface of the human trunk between the thighs

Derived Formsperineal, adjectiveWord Origin for perineum C17: from New Latin, from Greek perinaion, from peri- + inein to empty out Word Origin and History for perinea perineum n.

“region of the body between the anus and the genital organs” (jocularly called a taint), early 15c., from Medieval Latin perinaeon, Late Latin perineum, from Greek perinaion, perinaios, from peri- “near” (see peri-) + inan “to carry off by evacuation,” of unknown origin.

perinea in Medicine perineum [pĕr′ə-nē′əm] n. pl. per•i•ne•a (-nē′ə)

1. The portion of the body in the pelvis occupied by urogenital passages and the rectum, bounded in front by the pubic arch, in the back by the coccyx, and laterally by part of the hipbone.
2. The region between the scrotum and the anus in males, and between the posterior vulva junction and the anus in females.

Related formsper′i•ne′al (-nē′əl) adj. perinea in Science perineum [pĕr′ə-nē′əm] Plural perinea

1. The region between the scrotum and the anus in males, and between the posterior vulva and the anus in females.