definition of
[masticate]

[1] #1 masticate v. grind and knead; "masticate rubber". wn

[2] #2 masticate v. [chew, manducate, jaw] 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". wn