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

Jacket n. : 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.

Jacket n. : In ordnance, a strengthening band surrounding and reenforcing the tube in which the charge is fired.

Jacket n. : A garment resembling a waistcoat lined with cork, to serve as a life preserver; -- called also cork jacket.

Jacket v. t. : To put a jacket on; to furnish, as a boiler, with a jacket.

Jacket v. t. : To thrash; to beat.

Example:
What is the Jacket that peter bishop is wearing during the season 2 premiere of Fringe?

Taxonomy
jacket, coat, clothing, waist, garment, field jacket, free encyclopedia, waistband, suit, waist-length, Academic dress, Abaya, Academic gown, undergarments, Aboyne dress, Adaptive clothing, Lab coat, knee-length.

Defination from the web:
jacket for women, originally worn by matadors ... Eton jacket, similar to a tailcoat but cut off just below the waist, worn as the school uniform of boys under 5'4" at Eton College until 1976 and ...