backcloth (backcloths plural )
1 n-count A backcloth is a large piece of cloth, often with scenery or buildings painted on it, that is hung at the back of a stage while a play is being performed.
(BRIT)
(=backdrop)
in AM, use backdrop
2 n-sing The backcloth to an event is the general situation in which it happens.
(BRIT, JOURNALISM or)
LITERARY with supp, oft N of n
(=background)
I'm not impressed by the promise of tax cuts against the backcloth of a public-spending deficit.