craunch

To crush with the teeth; to chew with violence and noise; to crunch.

She would craunch the wing of a lark, bones and all, between her teeth, although it were nine times as large as that of a full-grown turkey; and put a bit of bread into her mouth as big as two twelve-penny loaves.

A grinding or crunching sound.

He sat down to write, and occupied himself with certain papers, until there was a far-off sound of wheels: some vehicle was slowly entering the great gates; a craunch upon the gravel sweep.

A portion of a stratum or vein left in excavating to support the roof.