plural of church door

A door to a church; a church door.

plural of car door

weatherstrip to seal the door when closed.

A cat flap.

A doggie door.

plural of door pump

A hydraulic device attached to a door in its one end and to the doorframe in the other, performing one or more of the following functions: a) dampening the movements of the door, b) making sure that the door closes properly, and c) assisting in opening it.

plural of doggie door

(mining) The removable cover of the opening giving access to a pump valve.