A piece of clothing worn on the upper body outside a shirt or blouse, often waist length to thigh length.
A piece of a person's suit, beside trousers and, sometimes, waistcoat; coat (US)
A protective or insulating cover for an object (e.g. a book, hot water tank, bullet.)
A police record.
In ordnance, a strengthening band surrounding and reinforcing the tube in which the charge is fired.
The tough outer skin of a baked potato.
To enclose or encase in a jacket or other covering.