a crack in a lip caused usually by cold
"The bitter wind left him with a painful chap on his lower lip."
(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
"The old cowboy adjusted his chap as he rode through the thorny brush, grateful for the protection against the sharp branches."
A man, a fellow.
"The teacher marked off each chap in the old folio edition as they read aloud."
A cleft, crack, or chink, as in the surface of the earth, or in the skin.
The jaw.
Clipping of chapter (“division of a text”).
In plain English: A chap is a section or part of a book.
"Let's just skip to chap five and see what happens next."
Usage: Primarily British, "chap" refers to a man or fellow, often used in an informal or slightly old-fashioned way. Think of it as a friendly synonym for "guy" or "man.
Of the skin, to split or flake due to cold weather or dryness.
"The extreme wind made his face chap and peel by evening."
In plain English: Chap means for skin to crack or peel because of things like cold or lack of moisture.
"My hands chap easily in the winter if I don't use moisturizer."
Usage: Use "chap" to describe skin that is splitting or flaking, often from exposure to harsh conditions like cold or dry air. My lips began to chap in the winter wind.
Initialism of Challenge-Handshake Authentication Protocol.
"The network administrator configured the chap protocol to secure the remote login connection."
The word chap originated as a shortening of the Middle Low German term chappe, which originally meant "a piece" or "fragment." It entered English usage to describe a small amount of money or goods before evolving into its modern meaning for a person, likely influenced by similar words like chip.