Jaw

n. [A modification of chaw, formed under the influence of Fr. joue, the cheek; O. Fr. joe, Pr. gauta, It. gota. Cf. O. H. Ger. chouwe, jaw.]

1. The bone of the mouth in which the teeth are fixed; hence, also, the bone with its teeth and covering; in the plural, the mouth.
2. Scolding; wrangling; abusive clamor. [Low.]
3. Any thing resembling the jaw of an animal in form or action; as, the jaws of a vise.
4. (Naut.) The inner end of a boom or gaff, which is hollowed in a half-circle in order that it may move freely on a mast. Totten.
5. (Mach.) A notch or other opening in which something is fastened, especially an axle-guard. See AXLE-GUARD.