BrE

1. abbreviationhuman sciencesAbbreviation of British English.

   1 more example

   The authors, between them, have decades of experience teaching this material in Britain, Australia, Canada, and the USA. Although the two great dialect clusters of English – British and Australasian (BrE) and North American (AmE) – do differ syntactically in a few minor ways, the differences are almost always a matter of preferences rather than prohibitions, and they give rise to remarkably few difficulties for exposition.

   2022, Rodney Huddleston, Geoffrey K. Pullum, Brett Reynolds, A Student's Introduction to English Grammar, 2nd edition, Cambridge University Press, page xiii

plural BREs

1. abbreviationinitialismcomputingInitialism of basic regular expression.

1. A diminutive of the female given name Breanna.