In human anatomy, the penis (/ ëˆpiënéªs /; Penises or penes; From the latin pänis, initially 'tail' [1]) is an external sex organ (intromittent organ) through which males ejaculate and urinate.

The penis is a reproductive organ and, for mammals, additionally serves as the external organ of urination. The meaning of penis is a male copulatory and erogenous organ that is typically cylindrical in shape and that in mammals is usually suspended from the pubis, has two large lateral columns of vascular, …