CHAP
WordNet
noun
(1) (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
(2) A crack in a lip caused usually by cold
(3) A boy or man
"That chap is your host"
"There's a fellow at the door"
"He's a likable cuss"
(4) A long narrow depression in a surface
verb
(5) Crack due to dehydration
"My lips chap in this dry weather"