urine

Etymology

From Middle English uryne, from Latin ūrīna (“urine”), from Proto-Indo-European *uh₁r-, zero grade of *weh₁r- (“water, liquid, milk”). Related to *h₁ewHdʰr̥- (see udder). Displaced native English land (“urine”), (Middle English land, from Old English hland (“urine”)).

noun

1. (physiology) Liquid waste consisting of water, salts, and urea, which is made in the kidneys, stored in the bladder, then released through the urethra.
   An artificial kidney these days still means a refrigerator-sized dialysis machine. Such devices mimic the way real kidneys cleanse blood and eject impurities and surplus water as urine. 2013-06-01, “A better waterworks”, in The Economist, volume 407, number 8838, page 5 (Technology Quarterly)

verb

1. (archaic) To urinate.
   He got out of bed every time he urined, or tried to urine. 1814, The Medical and Physical Journal, volume 31, page 226