masticate

verbs

grind and knead
"masticate rubber"
masticate
is a type of (narrower)
make uniform
"knead dough"; "work the clay until it is soft"
knead, work
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"
chew, jaw, manducate, masticate
is derived from
mastication