gnash Meaning, Definition & Usage
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verb grind together, of teeth
WordNet
Gnash transitive verb
Etymology
OE.Wordforms
Definitions
To strike together, as in anger or pain; as, to .gnash the teeth
Gnash intransitive verb
Definitions
To grind or strike the teeth together. There they him laid, Gnashing for anguish, and despite, and shame. Milton.