Longman Dictionary of Contemporary English
roller blind
noun
EXAMPLES FROM CORPUS
▪ Most blinds other than a roller blind will screen out too much light.
Wiktionary
roller blind
n. A blind for a window, usually of stiffened polyester, mounted on a pole and operated with a chain or spring mechanism.
WordNet
roller blind
n. a window shade that rolls up out of the way
Usage examples of "roller blind".
The camera mechanism admits light, which makes the picture, in the manner of a roller blind curtain.
She shut the window and pulled down the opaque black roller blind.
There was a quiet, felt-like pale green floor covering, track-lighting with spotlights, a roller blind at the window, matt white walls-and long benches of machines more or less like Ted Pitts's, only double.