- (n.) An outer covering for anything, especially 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.
- (n.) A short upper garment, extending downward to the hips; a short coat without skirts.
- (n.) In ordnance, a strengthening band surrounding and reenforcing the tube in which the charge is fired.
- (n.) A garment resembling a waistcoat lined with cork, to serve as a life preserver; -- called also cork jacket.
- (v.t.) To thrash; to beat.
- (v.t.) To put a jacket on; to furnish, as a boiler, with a jacket.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). jacket. Retrieved September 20, 2026, from http://smartdefine.org/jacket/definitions/2024174 |
| Chicago | Webster's. 2011. "jacket" http://smartdefine.org/jacket/definitions/2024174 (accessed September 20, 2026). |
| Harvard | Webster's 2011, jacket, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/jacket/definitions/2024174>. |
| MLA | Webster's. "jacket" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/jacket/definitions/2024174> |