chew

(noun) a wad of something chewable as tobacco. Synonyms: chaw, cud, quid, plug, wad.

(noun) biting and grinding food in your mouth so it becomes soft enough to swallow. Synonyms: chewing, mastication, manduction.

(verb) chew (food); to bite and grind with the teeth. Synonyms: masticate, manducate, jaw. Examples: "He jawed his bubble gum." "Chew your food and don't swallow it!." "The cows were masticating the grass."