n hood of a car; the part of a car which covers the engine. Confusion arises in the U.K. when dealing with rear-engined cars; it’s difficult to determine whether to call it a bonnet or, as seems perhaps more logical, a boot, on account of it being at the back. The trials of modern life. To encourage confusion, “hood” is used in the U.K. to describe the convertible top of a convertible car.