He stared, astounded, and his jaw grew slack.

Through the teen years, the jaw grows dramatically.

I inquired with some difficulty, for my jaw had already grown sore from the blow it had taken.

Using proper posture of the mandible could guide the jaws to grow their proper form.

And how, over the last two million years, our jaws have grown shorter, which is why wisdom teeth so often need to be removed.

His jaw grew tighter with each file.

His jaw grew harder still, and his hands clenched into fists for a moment.

Some mild types of malocclusion may improve as a child's jaw grows and changes.

Blinking, Roth felt his jaw grow tighter with every phrase.

George felt his jaw grow stiff as he watched his face inside the screen and listened.