- the male organ of copulation and, in mammals, of urinary excretion.
Origin of penis
Examples from the Web for penial
Certain fish have penial organs; they can then realize true copulation; thus dog-fish, bounce, sharks, sea-hinds (biches).The Natural Philosophy of Love
Remy de Gourmont
- the male organ of copulation in higher vertebrates, also used for urine excretion in many mammals
Word Origin and History for penial
1670s, perhaps from French pénis or directly from Latin penis "penis," earlier "tail," from PIE *pes-/*pesos- "penis" (cf. Sanskrit pasas-, Greek peos, posthe "penis," probably also Old English fæsl "progeny, offspring," Old Norse fösull, German Fasel "young of animals, brood"). The proper plural is penes. The adjective is penial. In psychological writing, penis envy is attested from 1924.
- The male organ of copulation and of urinary excretion, formed by three columns of erectile tissue, two arranged laterally on the dorsum and one medianly below; the extremity is formed by an expansion of the corpus spongiosum, covered by a free fold of skin.
- The male reproductive organ of mammals and some reptiles and birds. In mammals, the penis contains the urethra, which carries urine from the bladder and releases sperm during reproduction.
- A similar organ found in the males of some invertebrate animals.