curtain

US /ˈkɝː.tən/
UK /ˈkɝː.tən/
"curtain" picture
1.

a piece of material suspended at the top to form a screen, typically one of a pair for a window or one in a theater that hides the stage from the audience

:
She drew the curtains to block out the morning sun.
The audience applauded as the curtain rose.
2.

a barrier or screen of a specified type

:
A curtain of mist obscured the view.
The iron curtain divided Europe during the Cold War.
1.

provide (a window or other opening) with a curtain or curtains

:
She decided to curtain the large bay window.
The stage was curtained off before the show began.