Answer: curtain

AnswerCrossword Clue
CURTAINSun block
CURTAINTheater need
CURTAIN"Behind the ...," by John Gunther.
CURTAINPlay's finale.
CURTAINLast word of a play script.
CURTAINBackdrop.
CURTAINStage direction.
CURTAINAcknowledgment of applause
curtainto keep secret
curtainto furnish with hanging fabric
curtainto make known or public; disclose
curtainto cover with curtains
curtainpiece of fabric hung to adorn, conceal, etc.
curtainto commence; start
curtainto bring to a close