1. [noun] (countable) shortened form of champion
2. [noun] (Ireland) (uncountable) a meal of mashed potatoes and scallions
3. [verb] (ambitransitive) to bite or chew, especially noisily or impatiently.
4. [noun] (informal) champagne
5. [noun] (architecture) the field or ground on which carving appears in relief
6. [noun] Someone who has won first place in a competition.
7. [verb] Chafe at the bit, like horses.
8. [verb] Chew noisily; 'The boy chomped his sandwich'.