(used in certain set phrases like jaw harp, jaw harpist and jaw's-trump)

plural of jaw

(plural only) the mouth / (plural only) the borders of anything which has a mouthlike aspect. / (colloquial, eastern Ohio) a contrarian.

Third-person singular simple present indicative form of jaw

Having jaws. / (in combination) Having a specified type of jaw.

simple past tense and past participle of jaw

(chiefly boxing) A fighting vulnerability where one is easily knocked out via a single hard blow to the chin or jaw (due to lack of conditioning, insufficient training, or damage from past cerebral concussions).

In a jaw-dropping manner; shockingly, astoundingly.

Synonym of masseter

With the mouth in an open position and the jaw hanging loosely, especially as indicating bewilderment or astonishment. / (by extension) Unsophisticated or unthinking; dimwitted in appearance.