名詞 chap:

1. a boy or man
   同義詞：fellow, feller, lad, gent, fella, blighter, cuss
2. a long narrow depression in a surface
   同義詞：crevice, cranny, crack, fissure
3. a crack in a lip caused usually by cold
4. (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

動詞 chap:

1. crack due to dehydration

1. The poor chap was a bundle of nerves at the interview.
   這小子在面試時緊張極了。
2. Despite what others say, I think he's a very nice chap.
   不管別人怎麼說，我仍認為他這個人很好。
3. Poor chap, his wife has just died.
   不幸的小伙子啊，他剛剛死了妻子。
4. His chapped lips were bleeding.
   他干裂的嘴唇流出血來。

chap

v.（動詞）
chapped,chap.ping,chaps
v.tr.（及物動詞）
To cause (the skin) to roughen, redden, or crack, especially as a result of cold or exposure:
干裂：使（皮膚）變粗糙、變紅或皸裂，尤指寒冷或暴露所致：
例句：
The headwind chapped the cyclist`s lips.
騎車人的雙唇因頂風而皸裂了

v.intr.（不及物動詞）
To split or become rough and sore:
龜裂：龜裂或變?yōu)榇植诤吞弁矗?/br>例句：
skin that chaps easily in winter.
在冬天易開裂的皮膚

n.（名詞）
A sore roughening or splitting of the skin, caused especially by cold or exposure.
干裂：皮膚因寒冷或暴露而產生的皸裂或粗糙引起的疼痛

來源：
Middle English chappen
中古英語 chappen

chap
chap 2

n.Informal （名詞）【非正式用語】
A man or boy; a fellow.
男人或男孩；家伙

來源：
Short for chapman
chapman的簡寫