perineum

per·i·ne·um  (pr-nm)

n. pl. per·i·ne·a (-n)

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.

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[Middle English, from Medieval Latin perinaeon, from Greek perinaion : peri-, peri- + inn, to excrete.]

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peri·neal (-nl) adj.

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perineum [per-rin-nee-um, -nee-a]

Noun

pl -nea Anat the region of the body between the anus and the genitals [Greek perinaion]

perineal adj

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perineum  (pr-nm)

Plural perinea

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

Thesaurus

Noun

1.

perineum - the general region between the anus and the genital organs region, area - a part of an animal that has a special function or is supplied by a given artery or nerve; "in the abdominal region"