Urine Definition

yo͝orĭn
noun
A waste product of vertebrates and many invertebrates, secreted by the kidneys or other excretory structures: in mammals, it is a yellowish liquid containing urea, certain salts, etc., which is stored in the bladder and discharged periodically from the body through the urethra; in birds, reptiles, etc., it is a solid or almost solid substance formed chiefly of uric acid.
Webster's New World
Synonyms:

Other Word Forms of Urine

Noun

Singular:
urine
Plural:
urines

Origin of Urine

  • From Middle English, from Old French, from Latin Å«rÄ«na (“urine"), from Proto-Indo-European *uh₁r-, zero grade of *weh₁r- (“water, liquid, milk"). Related to *h₁ewHdÊ°rÌ¥- (see udder).

    From Wiktionary

  • Middle English from Old French from Latin ūrīna wē-r- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

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