Chap

v. t.	1.	To cause to open in slits or chinks; to split; to cause the skin of to crack or become rough. [imp. & p. p. Chapped (chăpt or chǒpt); p. pr. & vb. n. Chapping.] 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.	To strike; to beat.
v. i.	1.	To crack or open in slits; as, the earth chaps; the hands chap.
	2.	To strike; to knock; to rap.
n.	1.	A cleft, crack, or chink, as in the surface of the earth, or in the skin.
	2.	A division; a breach, as in a party. Many clefts and chaps in our council board. - T. Fuller.
	3.	A blow; a rap.
	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.
	2.	One of the jaws or cheeks of a vise, etc.
	1.	A buyer; a chapman. If you want to sell, here is your chap. - Steele.
	2.	A man or boy; a youth; a fellow.
v. i.	1.	To bargain; to buy.

Noun	1.	chap - a boy or man; "that chap is your host"; "there's a fellow at the door"; "he's a likable cuss" Synonyms: fella, fellow, lad, gent, feller, blighter, cuss
	2.	chap - a long narrow depression in a surface Synonyms: cranny, crevice, fissure, crack
	3.	chap - a crack in a lip caused usually by cold
	4.	chap - (usually in the plural) leather leggings without a seat; joined by a belt; often have flared outer flaps; worn over trousers by cowboys to protect their legs
Verb	1.	chap - crack due to dehydration; "My lips chap in this dry weather"

CHAP - Challenge-Handshake Authentication Protocol

[PPP] Challenge Handshake Authentication Protocol (PPP, RFC 1334/1994)Adamite, abysm, abyss, arroyo, bastard, being, bird, bloke, body, box canyon, boy, bozo, breach, buck, buddy, bugger, canyon, cat, cavity, character, chasm, check, chimney, chink, cleft, cleuch, clough, col, coulee, couloir, cove, cranny, creature, crevasse, crevice, customer, cut, cwm, defile, dell, dike, ditch, donga, draw, duck, earthling, excavation, fault, feller, fissure, flaw, flume, fracture, furrow, gap, gape, gash, gazebo, gee, geezer, gent, gentleman, gorge, groove, groundling, gulch, gulf, gully, guy, hand, he, head, hole, homo, human, human being, incision, jasper, joint, joker, kloof, lad, leak, life, living soul, moat, mortal, nose, notch, nullah, old boy, one, opening, party, pass, passage, personage, personality, ravine, rent, rift, rime, rupture, scissure, seam, single, slit, slot, somebody, someone, soul, stud, tellurian, terran, trench, valley, void, wadi, worldling