1. chew, chewing, mastication, manduction, change of state
usage: biting and grinding food in your mouth so it becomes soft enough to swallow
Verb
1. chew, masticate, manducate, jaw, grate, grind
usage: chew (food); to bite and grind with the teeth; "He jawed his bubble gum"; "Chew your food and don't swallow it!"; "The cows were masticating the grass"