From Longman Dictionary of Contemporary EnglishRelated topics: Food, Hair & beautybunbun /bΚn/ noun [countable]1British EnglishDF a small round sweetcake
a sticky bun2DFa small round type of bread
a hamburger bun3π Image of bun DCBif a woman has her hair in a bun, she fastens it in a small round shape at the back of her head4 βbuns5 βhave a bun in the ovenExamples from the Corpusbunβ’ This species looks rather like a bun, but not highly convex, and with a five-sided outline.β’ Spoon into the choux buns and sprinkle with paprika.β’ She so obviously hadn't given up stuffing herself with Salmon's creambuns.β’ Gao Yangcounted seven old fingersburied in the steamedbun, which had long since given up its original shape.β’ The blanchednape of a neck, spiders of hair breaking free of the bun, twirling on the surface.β’ While the buns were cooking members were divided into teams.Originbun1. (1300-1400) Perhaps from Old Frenchbugneβswelling (caused by a blow), type of fritterβ2. (1800-1900) Perhaps from Scottish Gaelicbun; β BUNNY