jaw
nounUK /dʒɔː/
US /dʒɑː/
The part of your face that moves when you open your mouth.
He hurt his jaw while playing football.
OTHER MEANINGS
2. To talk at length in a boring way.
They jawed about the weather for an hour.
3. Either of the two grasping parts of a tool or machine.
The jaws of the vise held the wood tightly.
4. A narrow entrance to a valley or passage.
The river cut through the jaws of the canyon.