Champ

1. n. Alt. of Champe
2. v. t. To bite with repeated action of the teeth so as to be heard.
3. v. t. To bite into small pieces; to crunch.
4. v. i. To bite or chew impatiently.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.