Crunch

Webster's Dictionary of the English Language

·vi To emit a grinding or craunching noise.

II. Crunch ·vi To grind or press with violence and noise.

III. Crunch ·vi To chew with force and noise; to Craunch.

IV. Crunch ·vt To crush with the teeth; to chew with a grinding noise; to Craunch; as, to crunch a biscuit.