Longman Dictionary of Contemporary English
angle brackets
noun
EXAMPLES FROM CORPUS
▪ A simple solution is to use small angle brackets which support the tile but are not actually fixed to it.
▪ Fix the batten in place with angle brackets, then attach the blind with touch-and-close fastener.
Wiktionary
angle brackets
n. (angle bracket English)
Usage examples of "angle brackets".
Each wooden surface bore the fine marks of qheuen tooth-work, all the way down to angle brackets sculpted in lacy, deceptively strong filigrees.