t͡ʃɔː tʃuː tʃu tʃuː tʃu kʌd d͡ʒɔː d͡ʒɔ ˈmæstɪkeɪt mæstɪˈkeɪʃən plʌɡ wɒd wɑd biting and grinding food in your mouth so it becomes soft enough to swallow 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 a wad of something chewable as tobacco