(automotive, rail transport) A door designed for use on a car (whether a railway carriage or an automobile).

A door normally leading to a storm cellar, cellar or a basement, for protection from a tornado or a violent storm.

plural of back door

A fireproof door designed to stop fires spreading through buildings. / The door of a furnace offering access to the fire inside.

plural of pocket door

plural of Dutch door

(US) A light door of mesh, outside of another door, used to prevent ingress by insects.

Alternative spelling of doorgame

A door that opens and closes by sliding to the side; sometimes one of a pair.

plural of door game