CHAP

chap. Chap, n. a cleft, chink, opening, crack, jaw, beak

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Chap (chăp or chŏp), v. t. [imp. & p. p. Chapped (chăpt or chŏpt); p. pr. & vb. n. Chapping.] [[See Chop to cut.]] 1. 1. To cause to open in slits or chinks; to split; to cause the skin of to crack or become rough.
Then would unbalanced heat licentious reign, Crack the dry hill, and chap the russet plain. Blackmore. Nor winter's blast chap her fair face. Lyly. 2. 2. To strike; to beat.