curtain

1 curtain /ˈkɚtn̩/ noun
plural curtains
1 curtain
/ˈkɚtn̩/
noun
plural curtains
Britannica Dictionary definition of CURTAIN
1 
[count] : a piece of cloth that hangs down from above a window and can be used to cover the window
— see picture at window
2 
[count] : a piece of cloth or other material that is hung to protect or hide something
— see also iron curtain
3 
a  [count] : a very large piece of cloth that hangs at the front of a stage and that is raised when a performance begins and lowered when a performance ends
— often used figuratively
— see picture at theater
b  [singular] : the time when a curtain is raised or lowered at the beginning or end of a performance
4 
[count] : something that covers or hides something else — usually + of

be curtains for

informal
: to be the end, failure, or death of (someone or something)
2 curtain /ˈkɚtn̩d/ verb
curtains; curtained; curtaining
2 curtain
/ˈkɚtn̩d/
verb
curtains; curtained; curtaining
Britannica Dictionary definition of CURTAIN

curtain off

[phrasal verb]
curtain (something) off or curtain off (something)
: to separate or cover (something) by using a curtain