From Middle English braken, probably of Scandinavian/North Germanic origin, from Old Norse *brakni (“undergrowth”), related to Proto-Germanic *brekaną and ultimately from Proto-Indo-European *bʰreg- (“to break”).. Cognates include Danish bregne and Swedish bräken (“fern”).
- (uncountable, countable) Any of several coarse ferns, of the genus Pteridium, that form dense thickets; often poisonous to livestock.
- (uncountable) An area of countryside heavily populated by this fern.
- ^ “bracken”, in The American Heritage Dictionary of the English Language, 5th edition, Boston, Mass.: Houghton Mifflin Harcourt, 2016, →ISBN.