Penis

имя существительное [анатомия] пенис, мужской половой член

Большой англо-русский словарь

Penis

noun (plural penises; also penes) Etymology: Latin, penis, tail; akin to Old High German faselt penis, Greek peos a male organ of copulation that in male mammals including humans usually functions as the channel by which urine leaves the body

Merriam-Webster's Collegiate Dictionary