chap

name

1. Initialism of Challenge-Handshake Authentication Protocol.

noun

Etymology: Shortening.

1. Clipping of chapter (“division of a text”).

verb

Etymology: From Middle English chappen (“to split open, burst, chap”), of uncertain origin. Compare Middle English choppen (“to chop”), Dutch kappen (“to cut, chop, hack”). Perhaps related to chip.

1. Of the skin, to split or flake due to cold weather or dryness.
2. 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.”

   “whose fair face neither the summer's blaze can scorch nor winter's blast chap.”

3. To strike, knock.

   “And then it seems that through the open door there came the chapping of a clock.”

   “The door was shut into my class. I had to chap it and then Miss Rankine came and opened it and gived me an angry look […]”