- One of a pair of opposing parts which are movable towards or from each other, for grasping or crushing anything between them.
"the jaws of a vise; the jaws of a stone-crushing machine."
- (slang) Axle guard.
- The part of the face below the mouth.
"His jaw dropped in amazement."
- A notched or forked part, adapted for holding an object in place.
"the jaw of a railway-car pedestal."
- (slang, dated) Impudent or abusive talk.
- One of the bones, usually bearing teeth, which form the framework of the mouth.
- A notch or opening.
- (nautical) The inner end of a boom or gaff, hollowed in a half circle so as to move freely on a mast.
- (snooker) The curved part of the cushion marking the entry to the pocket.
- (figuratively) Anything resembling the jaw of an animal in form or action; especially plural, the mouth or way of entrance.
"the jaws of a pass; the jaws of darkness; the jaws of death."
- (used in certain set phrases like jaw harp, jaw harpist and jaw's-trump)
- (intransitive) To scold; to clamor.
- (transitive) To assail or abuse by scolding.
- (snooker, transitive, intransitive) (of a ball) To stick in the jaws of a pocket.
- (intransitive, informal) To talk; to converse.