A piece of cloth covering a window, bed, etc. to offer privacy and keep out light.
A similar piece of cloth that separates the audience and the stage in a theater.
(by extension) The beginning of a show; the moment the curtain rises.
(fortifications) The flat area of wall which connects two bastions or towers; the main area of a fortified wall.
(also "final curtain") Death.
That part of a wall of a building which is between two pavilions, towers, etc.
A flag; an ensign.
To cover (a window) with a curtain; to hang curtains.
To hide, cover or separate as if by a curtain.