urine

noun

ˈyər-ən 

ˈyu̇r-

: waste material that is secreted by the kidney in vertebrates, is rich in end products of protein metabolism together with salts and pigments, and forms a clear amber and usually slightly acid fluid in mammals but is semisolid in birds and reptiles

urinous

ˈyər-ə-nəs 

ˈyu̇r-

adjective

Examples of urine in a Sentence

Recent Examples on the Web

Tuberculosis disease of the lymph nodes may cause red or purple swelling under the skin, and TB disease of the kidney can lead to blood in the urine. —Hannah Poukish, Sacramento Bee, 5 Feb. 2025

Severe infections may include aches, headaches, elevated fever, lethargy, rashes, and blood in the urine or stool. —Saman Shafiq, USA TODAY, 4 Feb. 2025

Some were housed in the basement of the home, where the sheriff's office said the odor of urine and feces was so strong that authorities had to wear protective gear just to be able to safely enter. —Rachel Treisman, NPR, 4 Feb. 2025

Amazon river dolphins may send messages with aerial streams of urine. —Jennifer Ouellette, Ars Technica, 3 Feb. 2025

Word History

Etymology

Middle English, from Anglo-French, from Latin urina, from urinari to dive; akin to Sanskrit vār water and perhaps to Sanskrit varṣati it rains, Greek ourein to urinate

First Known Use

14th century, in the meaning defined above

Kids Definition

urine

noun

ˈyu̇r-ən 

: waste material that is secreted by the kidneys, is rich in the end products of protein breakdown, and is usually a yellowish liquid in mammals but semisolid in birds and reptiles

Medical Definition

urine

noun

ˈyu̇r-ən 

: waste material that is secreted by the kidney, is rich in end products (as urea, uric acid, and creatinine) of protein metabolism together with salts and pigments, and forms a clear amber and usually slightly acid fluid