What is the meaning of chew?

noun

• A wad of something chewable as tobacco.
  • synonyms: chaw, cud, quid, plug, wad
• 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.
  • usage: "He jawed his bubble gum"; "Chew your food and don't swallow it"; "The cows were masticating the grass"
  • synonyms: masticate, manducate, jaw