Meaning
CHAP, v.i. To crack; to open in long slits; as, the earth chaps; the hands chap.
CHAP, n. A longitudinal cleft, gap or chink, as in the surface of the earth, or in the hands or feet.
CHAP, n. The upper and lower part of the mouth; the jaw. It is applied to beasts, and vulgarly to men; generally in the plural, the chaps or mouth.
CHAP, v.i. To cheapen.