noun, plural pe·nis·es, pe·nes . [ pee-neez] /ˈpi niz/ . Anatomy, Zoology the male organ of copulation and, in mammals, of urinary excretion. Origin of penis
First recorded in
1685–95, penis is from the Latin word pēnis tail, penis Related forms pe·nile , [ peen-l, pee-nahyl] /ˈpin l, ˈpi naɪl/ pe·ni·al , [ pee-nee- uh l] /ˈpi ni əl/ adjective Can be confused penal penile
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for penis Contemporary Examples of penis Historical Examples of penis Penis: the flexible, membranous, intromittent organ of the male. Penis rudimentarius causa impotentiae est, sed casus amplificationis post matrimonium habentur. Penis short, hairy, finely-ringed, with no projecting point at its dorsal basis. Penis, with a straight, sharp, short point on the dorsal basis. Penis at some distance from the female aperture, except in Amphibola and Siphonaria. British Dictionary definitions for penis noun plural -nises or -nes ( -niːz) the male organ of copulation in higher vertebrates, also used for urine excretion in many mammals Word Origin for penis
C17: from Latin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for penis n.
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.
Online Etymology Dictionary, © 2010 Douglas Harper
n. pl. pe•nis•es 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 American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Plural penises penes ( pē) ′nēz 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.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
organ of the male reproductive system through which semen passes out of the body during sexual intercourse. The penis is also an organ of urination.
The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.