Meaning of the word protrusion in English

What does protrusion mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

protrusion

US /prəˈtruː.ʒən/
UK /prəˈtruː.ʒən/

Noun

something that protrudes, or the act of protruding

Example:
The rock had a sharp protrusion that could be dangerous.
The doctor examined the small protrusion on her arm.