Jaw (?), n. [A modification of chaw, formed under the influence of F. joue the cheek. See Chaw, Chew.]

1. Anat. (a)

One of the bones, usually bearing teeth, which form the framework of the mouth.


Hence, also, the bone itself with the teeth and covering.


In the plural, the mouth.


Fig.: Anything resembling the jaw of an animal in form or action; esp., pl., the mouth or way of entrance; as, the jaws of a pass; the jaws of darkness; the jaws of death.


3. Mach. (a)

A notch or opening.


A notched or forked part, adapted for holding an object in place; as, the jaw of a railway-car pedestal. See Axle guard.


One of a pair of opposing parts which are movable towards or from each other, for grasping or crushing anything between them, as, the jaws of a vise, or the jaws of a stone-crushing machine.

4. Naut.

The inner end of a boom or gaff, hollowed in a half circle so as to move freely on a mast.


Impudent or abusive talk.


H. Kingsley.

Jaw bit Railroad, a bar across the jaws of a pedestal underneath an axle box. -- Jaw breaker, a word difficult to pronounce. [Obs.]<-- also, a piece of hard candy --> -- Jaw rope] Naut., a rope which holds the jaws of a gaff to the mast. -- Jaw tooth, a molar or grinder; a back tooth.


© Webster 1913.

Jaw, v. i. [imp. & p. p. Jawed (?); p. pr. & vb. n. Jawing.]

To scold; to clamor.

[Law] <-- generally, to talk, esp. long-windedly or without special purpose -->



© Webster 1913.

Jaw, v. t.

To assail or abuse by scolding.



© Webster 1913.