名詞 jacket:

1. a short coat
2. an outer wrapping or casing
3. (dentistry) an artificial crown fitted over a broken or decayed tooth
   同義詞：jacket crown
4. the outer skin of a potato
5. the tough metal shell casing for certain kinds of ammunition

動詞 jacket:

1. provide with a thermally non-conducting cover
2. put a jacket on

1. Not even the thickest jacket was enough to keep out the cold.
   就連最厚的夾克也不足以御寒。
2. A good shirt is no less expensive than a jacket.
   一件好襯衫的昂貴程度并不比一件夾克衫差。
3. This sport jacket will match those pants nicely.
   這件運動衫和那條短褲很相配。
4. My jacket is made of otter skins.
   我的皮夾克是用水獺皮做的。
5. He wore a pair of dark glasses and a jacket all day long.
   他整天戴一副墨眼鏡，穿一件短上衣。
6. Long, medium and short overcoats. Winter wear, jacket, coat, long, medium and short jumpers.
   大，中，短大衣，防寒服，茄克衫，上裝，中長短馬甲。
7. She has a red jacket on.
   她穿著一件紅色的短上衣。
8. My brother wants to buy a sport jacket.
   我弟弟想買一件運動衫。

jack.et

n.（名詞）
A short coat usually extending to the hips.
短上衣：短上衣，通常只到臀部
An outer covering or casing, especially:
封套，外皮：外部的覆蓋物或包裝，尤指：
The skin of a potato.
土豆皮
The dust jacket of a book.
書的封套
An insulation covering for a steam pipe, wire, boiler, or similar part.
絕緣護套：蒸汽管、電線、鍋爐或類似部分的絕緣外套
A paper or thin cardboard envelope for a phonograph record.
唱片套子：留聲機唱片的紙?zhí)谆虮〖埌宸馓?/br>An open envelope or folder for filing papers.
文件套，公文夾：用來裝紙的開口信封或文件夾
Computer Science The plastic or cardboard container that holds a floppy disk.
【計算機科學】 盒，套，蓋：裝軟磁碟片的塑料套或紙板套
The outer metal shell or case of a bullet.
彈殼：子彈的金屬外殼或金屬外層
v.tr.（及物動詞）
jack.et.ed,jack.et.ing,jack.ets
To supply or cover with a jacket.
加外套，裝封套

來源：
Middle English jaket
中古英語 jaket
from Old French jaquet [diminutive of] jaque [short jacket, tunic]
源自 古法語 jaquet [] jaque的小后綴 [短上衣，及膝上衣]
from jacques [nickname for French peasants] from the name Jacques * see jack
源自 jacques [法國農(nóng)民的綽號] 源自名字 Jacques *參見 jack
or from Catalan from Arabic ôakk [mailcoat, breastplate]
或源自 加泰羅尼亞語 源自 阿拉伯語 ôakk [郵件套袋，護胸甲]

【引伸】
jack.eted
adj.（形容詞）