noun
urine
YOOR-in/ˈjʊrɪn/
Liquid waste produced by the kidneys and passed out of the body.
The sealed sample cup contains pale yellow urine.

Etymology
Latin urina named the bodily waste liquid itself. The word also has a long medical association, since urine was used as a diagnostic tool.
In context
once it's full urine is expelled outside the body through a tube called the urethra
More examples
- The doctor sends a urine sample to the lab.
- Drinking enough water usually makes your urine pale yellow.
- The kidneys filter blood and remove waste as urine.
Forms
urinate verb — To pass urine out of the body.
urinary adjective — Relating to urine or the urinary system.
Similar words
- pee
- An informal word for urine, common in everyday speech.
- piss
- A vulgar word for urine, inappropriate in formal contexts.