JAW, noun 1. The bones of the mouth in which the teeth are fixed. They resemble a horse shoe. In most animals, the under jaw only is movable. 2. The mouth. 3. In vulgar language, scolding, wrangling, abusive clamor. JAW, verb intransitive To scold; to clamor. [Vulgar.] JAW, verb transitive To abuse by scolding. [Vulgar.]
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI