penis
/ˈpiːnɪs
/noun (plural penises or penes /ˈpiːniːz/)
1The male genital organ of higher vertebrates, carrying the duct for the transfer of sperm during copulation. In humans and most other mammals it consists largely of erectile tissue and is used also for urination.
Synonyms
phallus, (male) member, (male) organ, sex, erection
North American informal pee-pee
Irish informal mickey
humorous lunch box
vulgar slang cock, dick, prick, knob, chopper, tool, equipment, dipstick, ding-a-ling, dong, (one-eyed) trouser snake, shaft, ramrod, root, boner, length, meat, pudding, pego, John Thomas, Johnson, machine, manhood, thing, winkle, middle leg, third leg, old man, joystick, pencil, pisser, prong, putz, rig, rod, Roger, stalk, stiffy, tonk, tube, weapon, yard
British vulgar slang willy, horn, how's your father, peter, plonker, todger
Irish vulgar slang langer
North American vulgar slang dork, pecker, weenie, wiener, schlong, whang, whanger
technical intromittent organ
archaic membrum virile, virile member, nerve, person, propagator, tarse, verge, pizzle
archaic, vulgar slang loom, needle, pillicock, pintle, runnion
1.1 Zoology A type of male copulatory organ present in some invertebrates, such as gastropod molluscs.
Origin
Late 17th century: from Latin, 'tail, penis'.
pen from Middle English:
The earliest pens for writing were made from a feather with its quill sharpened and split to form a nib which was dipped in ink. The origin of pen reflects this, going back to Latin penna ‘feather’. The idea that the pen is mightier than the sword appeared in the works of the Latin author Cicero in the 2nd century bc. The origin of Old English pen in the sense of an animal enclosure is not known. See also panache, pin