A rubber or plastic inflatable cushion.
A shock absorber that uses an air chamber.
A layer of trapped air that supports a hovercraft.
A pad on which a person can recline and sleep, usually having an inner section of coiled springs covered with foam or other cushioning material then enclosed with cloth fabric.
A form of retaining wall used to support foundations or an embankment
To cover with a thick layer, like a mattress; to blanket.