A piece of clothing worn on the upper body outside a shirt or blouse, often waist length to thigh length.

(US) A piece of a person's suit, beside trousers and, sometimes, waistcoat; coat

A protective or insulating cover for an object (e.g. a book, hot water tank, bullet.)

(slang) A police record.

(military) In ordnance, a strengthening band surrounding and reinforcing the tube in which the charge is fired.

The tough outer skin of a baked potato.

(Jamaica) A bastard child, in particular one whose father is unaware that they are not the child’s biological father.

(Appalachia) A vest; a waistcoat

To confine (someone) to a straitjacket.

(transitive) To enclose or encase in a jacket or other covering.