curtain
US /ˈkɝː.tən/
UK /ˈkɝː.tən/

1.
rideau
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.
Elle a tiré les rideaux pour bloquer le soleil du matin.
•
The audience applauded as the curtain rose.
Le public a applaudi au lever du rideau.
1.
mettre des rideaux, rideau
provide (a window or other opening) with a curtain or curtains
:
•
She decided to curtain the large bay window.
Elle a décidé de mettre des rideaux à la grande baie vitrée.
•
The stage was curtained off before the show began.
La scène a été rideau avant le début du spectacle.