urine Hear it!

urine definition

urine (yo̵or′in)

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

Etymology: OFr < L urina, urine < IE *ūr-, var. of base *awer-, to moisten, flow > water, Gr ouron, urine

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.