Pēr-i-næ'um, n.
n. [Gr. περιναῖον, περίνεον, from πηρίν, scrotum.] (Anat.) The space at the inferior region of the trunk between the ischiatic tuberosities, anus, and genital organs.
n. [Gr. περιναῖον, περίνεον, from πηρίν, scrotum.] (Anat.) The space at the inferior region of the trunk between the ischiatic tuberosities, anus, and genital organs.