jack‧et S2 W3 / dʒækət, dʒækɪt / 名词 [可数名词]

1 a short light coat

a leather/denim/linen etc jacket

a suede jacket → bomber jacket , dinner jacket , life jacket , straitjacket ( 1 )

2 the part of a suit that covers the top part of your body :

Gene has to wear a jacket and tie to work.

tweed jackets → sports jacket

3 a stiff piece of folded paper that fits over the cover of a book to protect it 同义词 dust jacket

4 American English a stiff paper cover that protects a record 同义词 sleeve British English

5 a cover that surrounds and protects some types of machines