Jacket
noun, verb, slang ·Very common ·Middle school level
Definitions
- 1 A piece of clothing worn on the upper body outside a shirt or blouse, often waist length to thigh length.
- 2 (dentistry) dental appliance consisting of an artificial crown for a broken or decayed tooth wordnet
- 3 A piece of a person's suit, beside trousers and, sometimes, waistcoat; coat (US)
- 4 a short coat wordnet
- 5 A protective or insulating cover for an object (e.g. a book, hot water tank, bullet.)
Show 8 more definitions
- 6 an outer wrapping or casing wordnet
- 7 A police record. slang
"We got a crowd of black, white customers, out-of-state license plates, what have you. Somebody gonna check that out. They gonna drop a dime on me, call 911. And you know with my jacket I can't go back to jail."
- 8 the tough metal shell casing for certain kinds of ammunition wordnet
- 9 In ordnance, a strengthening band surrounding and reinforcing the tube in which the charge is fired.
- 10 the outer skin of a potato wordnet
- 11 The tough outer skin of a baked potato.
"Cook the potatoes in their jackets."
- 12 A bastard child, in particular one whose father is unaware that he is not the child’s biological father. Jamaica
- 13 A vest (US); a waistcoat (UK). Appalachia
- 1 To confine (someone) to a straitjacket.
"‘None of your gab, I tell you! If you speak another word, I'll have you jacketed[…]!’"
- 2 put a jacket on wordnet
- 3 To enclose or encase in a jacket or other covering. transitive
"...to...prevent...the loss of heat...there is also a layer of silicate cotton or slag wool. This latter material is also employed to jacket the chimney for a certain portion of its length."
- 4 provide with a thermally non-conducting cover wordnet
Example
More examples"The cold soon penetrated his quilted jacket."
Etymology
From Middle French jacquet, diminutive of Old French jaque.
Related phrases
More for "jacket"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.