noun
plural jaws
[count] either one of the two bones of the face where teeth grow
the lower part of a person's face - usually singular
jaws [plural] :two parts of a machine or tool that open and close to hold or crush something
jaw drops
If your jaw drops, you open your mouth in a way that shows you are very surprised or shocked.
verb
jaws; jawed; jawing
[no obj] informal :to talk in an angry way or for a very long time