Chap (chŏp), n. [OE. chaft; of Scand. origin; cf. Icel kjaptr jaw, Sw. Käft, D. kiæft; akin to G. kiefer, and E. jowl. Cf. Chops.] 1. One of the jaws or the fleshy covering of a jaw; — commonly in the plural, and used of animals, and colloquially of human beings.
His chaps were all besmeared with crimson blood.
Cowley.
He unseamed him from the nave to the chaps.
Shak.
2. One of the jaws or cheeks of a vise, etc.