Webster
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Webster’s Revised Unabridged Dictionary · 1913

Jacket

Jack′et (jăk′ĕt), n. [F. jaquette, dim. of jaque. See 3d Jack, n.]

1. A short upper garment, extending downward to the hips; a short coat without skirts.

2. An outer covering for anything, esp. a covering of some nonconducting material such as wood or felt, used to prevent radiation of heat, as from a steam boiler, cylinder, pipe, etc.

3. (Mil.) In ordnance, a strengthening band surrounding and reënforcing the tube in which the charge is fired.

4. A garment resembling a waistcoat lined with cork, to serve as a life preserver; — called also cork jacket.

Blue jacket. (Naut.) See under Blue. — Steam jacket, a space filled with steam between an inner and an outer cylinder, or between a casing and a receptacle, as a kettle. — To dust one's jacket, to give one a beating. [Colloq.]

Jack′et, v. t. 1. To put a jacket on; to furnish, as a boiler, with a jacket.

2. To thrash; to beat. [Low]

Webster’s Revised Unabridged Dictionary, Noah Porter, editor (Springfield, Mass.: G. & C. Merriam, 1913). Public domain. Text as transcribed by MICRA, Inc., from Project Gutenberg. Changed for Deep Dive Bible: Greek, which our source spelled in Latin letters, set in Greek letters; entries of one spelling merged into one article; Greek words our source left out (shown as “?”), read from the 1898 printing, from the same plates (the Library of Congress’s copy), where the place could be found with certainty.