Perineum Definition

pĕrə-nēəm
noun
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.
American Heritage Medicine
The region of the body between the thighs, at the outlet of the pelvis; specif., the small area between the anus and the vulva in the female or between the anus and the scrotum in the male.
Webster's New World

Other Word Forms of Perineum

Noun

Singular:
perineum
Plural:
perinea

Origin of Perineum

  • Middle English from Medieval Latin perinaeon from Greek perinaion peri- peri- inān to excrete

    From American Heritage Dictionary of the English Language, 5th Edition

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