CRUNCH

Crunch (krŭnch), v. i. [imp. & p. p. Crunched (krŭncht); p. pr. & vb. n. Crunching.] [[Prob. of imitative origin; or cf. D. schransen to eat heartily, or E. scrunch.]] 1. 1. To chew with force and noise; to craunch.
And their white tusks crunched o'er the whiter skull. Byron. 2. 2. To grind or press with violence and noise.
The ship crunched through the ice. Kane. 3. 3. To emit a grinding or craunching noise.
The crunching and ratting of the loose stones. H. James.