Meaning of the word gnash in English

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

gnash

US /næʃ/
UK /næʃ/

Verb

grind (one's teeth) together, typically as a sign of anger

Example:
He began to gnash his teeth in frustration.
The villain would often gnash his teeth when angry.