• The region between the human genitalia, especially the scrotum, and anus. The male perineum is between the scrotum and anus. The female perineum is between the vagina and anus.


  • Borrowed from Late Latin perinaeum, from Ancient Greek περίναιον ("space between the anus and scrotum"), from Ancient Greek περίνεος, περίνεοι ("male genitals"), itself from earlier Ancient Greek περίς ("penis") through influence from Ancient Greek πηρίς ("scrotum").

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