Main Entry:

pe·nis

Pronunciation:

\ˈpē-nəs\

Function:

noun

Inflected Form(s):

plural pe·nis·es also pe·nes \ˈpē-(ˌ)nēz\

Etymology:

Latin, penis, tail; akin to Old High German faselt penis, Greek peos

Date:

1668

: a male erectile organ of copulation by which urine and semen are discharged from the body and that develops from the same embryonic mass of tissue as the clitoris