Noah Webster
Jaw
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.]