- Homophone: Nash
- (transitive) To grind (one's teeth) in pain or in anger.
- to gnash the teeth
- (transitive) To grind between the teeth.
- to gnash the air in fury
- to gnash a carpet
- (Geordie) To run away.
to grind one's teeth in pain or in anger
gnash (plural gnashes)
- A sudden snapping of the teeth.