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English definition of “bun”

bun

noun uk   /bʌn/ us  

bun noun (FOOD)

B2 [C] a small, sweet, usually round cake: a currant bun B2 [C] mainly US a small, round piece of bread, especially one that is cut horizontally and holds a burger: a hamburger bun

bun noun (HAIRSTYLE)

[C] a woman's hairstyle where the hair is brought together into a round shape at the back of the head: She wore her hair in a bun.

bun noun (BOTTOM)

[C usually plural] mainly US informal a buttock (= one side of a person's bottom)
(Definition of bun from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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