[jak-it] 
| 1. | a short coat, in any of various forms, usually opening down the front. |
| 2. | something designed to be placed around the upper part of the body for a specific purpose other than use as clothing: a life jacket. |
| 3. | a protective outer covering. |
| 4. | the skin of a potato, esp. when it has been cooked. |
| 5. | book jacket. |
| 6. | the cover of a paperbound book, usually bearing an illustration. |
| 7. | a paper or cardboard envelope for protecting a phonograph record. |
| 8. | a metal casing, as the steel covering of a cannon, the steel cover around the core of a bullet, or the water jacket on certain types of machine guns. |
| 9. | a folded paper or open envelope containing an official document. |
| 10. | to put a jacket on (someone or something). |
| jack·et (jāk'ĭt) n.
To supply or cover with a jacket. [Middle English jaket, from Old French jaquet, diminutive of jaque, short jacket, tunic, from jacques, nickname for French peasants (from the name Jacques; see jack) or from Old Catalan jaco (perhaps from Arabic šakk, mailcoat).] jack'et·ed adj. |
jacket jack·et (jāk'ĭt)
n.
A fixed bandage applied around the body to immobilize the spine.
An artificial crown of a tooth composed of fired porcelain or acrylic resin.
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