Chew means to move your teeth and tongue together to crush food into smaller pieces so you can swallow it. This action helps break down what you eat, making it easier for your body to digest.
When we talk about chewing, most people think of eating - specifically, they remember the sound their mom or dad used to make when saying "chew, chew" to remind them not to swallow big pieces of food whole. But it's also possible to chew on things that aren't meant for eating. For example, if you're worried and biting your lip, then you might be chewing on something in a way that isn't good for you. If someone is nervously fidgeting with a piece of gum or a pen, they might be "chewing" too - not necessarily to eat the thing, but just because it's what their hands are doing while they're thinking about something else.
The act of chewing; mastication with the mouth.
Example: I popped the gum into my mouth and gave it a chew.
To crush with the teeth by repeated closing and opening of the jaws; done to food to soften it and break it down by the action of saliva before it is swallowed.
Example: Make sure to chew thoroughly, and don't talk with your mouth full!
