Definition of "jaw" []

• Either of two bony or cartilaginous structures that in most vertebrates form the framework of the mouth and hold the teeth. (noun)
• The mandible or maxilla or the part of the face covering these bones. (noun)
• Any of various structures of invertebrates that have an analogous function to vertebrate jaws. (noun)
• Either of two opposed hinged parts in a mechanical device. (noun)
• The walls of a pass, canyon, or cavern. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "If the child has trouble with controlling his jaw when he tries to speak, try using ‘jaw control’ with your fingers, like this."
• "If your hair wasn't so black and your eyes so steel-blue and sharp, and your teeth so big and strong and white, and your jaw such a-- such a-- _jaw_ -- ""
• "Do you really need to yank the fish so hard the jaw is all that comes in?"