The cap that closes the opening of a tank, e.g. the fuel tank of a car, through which the tank can be filled.

(now historical) A protective cap on the end of a gunstock. / (aeronautics) The protective covering on the end of an aircraft fuselage.

Money traditionally collected in a cap for the huntsman at the death of the fox.

A kind of folio writing paper, made for the use of lawyers, in long narrow sheets which have the fold at the top or "narrow edge".

A device to improve the draught of a chimney, by presenting an exit aperture always to leeward.

Alternative form of turncap

A very short sleeve that barely extends past the shoulder.

A foldable military cap with straight sides and a creased or hollow crown sloping to the back where it is parted.

side cap

A wig-like cap simulating the appearance of a bald or partially bald head, worn primarily by actors and clowns.