a hanging piece of fabric used to shut out the light from a window, adorn a room, increase privacy, etc.

a movable or folding screen used for similar purposes.

Chiefly New England . a window shade.

Theater .

a set of hanging drapery for concealing all or part of the stage or set from the view of the audience.

the act or time of raising or opening a curtain at the start of a performance: an 8

30 curtain.

the end of a scene or act indicated by the closing or falling of a curtain

first-act curtain.

an effect, line, or plot solution at the conclusion of a performance

a strong curtain; weak curtain.

music signaling the end of a radio or television performance.

(used as a direction in a script of a play to indicate that a scene or act is concluded.)

anything that shuts off, covers, or conceals

a curtain of artillery fire.

Architecture . a relatively flat or featureless extent of wall between two pavilions or the like.

Fortification . the part of a wall or rampart connecting two bastions, towers, or the like.

curtains, Slang . the end; death, esp. by violence

It looked like curtains for another mobster.

to provide, shut off, conceal, or adorn with, or as if with, a curtain. ?

draw the curtain on or over

to bring to a close

to draw the curtain on a long career of public service.

to keep secret.

lift the curtain on

to commence; start.

to make known or public; disclose

to lift the curtain on a new scientific discovery.

noun

blind , decoration , drape , drapery , film , hanging , jalousie , oleo , portiere , rag , roller , screen , shade , shield , shroud , shutter , valance , veil , venetian blind , decease , demise , dissolution , extinction , passing , quietus , rest , backdrop , barrier , boom , conceal , mask , purdah , wall