Chap (ch&obreve;p), n. [OE. chaft; of Scand. origin; cf. Icel kjaptr jaw, Sw. Kńft, D. kiŠft; 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 [Macdonald] from the nave to the chaps.
Shak.