1
: a sweet or plain small bread
especially
: a round roll
2
: a knot of hair shaped like a bun
3
Synonyms
Noun (1)
Examples of bun in a Sentence
Noun (1)
an exercise to firm your buns
Recent Examples on the Web
Asher Price, Axios, 5 Nov. 2024
Bar Louie Free to all active and retired military veterans is a selection of Bar Louie half-pound craft burgers on a brioche bun.
—Susan Selasky, Detroit Free Press, 5 Nov. 2024
Her long, dark hair was gathered in a loose bun; her filigreed, vaguely Indian earrings dangled.
—Leslie Camhi, Vogue, 30 Oct. 2024
The new Ghost Pepper Chicken Sandwich features chicken breast, ghost pepper sauce, pickles and a brioche bun.
—Gabrielle Rockson, People.com, 29 Oct. 2024
See all Example Sentences for bun 
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Noun
Between the buns: The Double Meat features two 5-inch patties, tomato, lettuce, diced onions and mustard.
—Asher Price, Axios, 5 Nov. 2024
Bar Louie Free to all active and retired military veterans is a selection of Bar Louie half-pound craft burgers on a brioche bun.
—Susan Selasky, Detroit Free Press, 5 Nov. 2024
Her long, dark hair was gathered in a loose bun; her filigreed, vaguely Indian earrings dangled.
—Leslie Camhi, Vogue, 30 Oct. 2024
The new Ghost Pepper Chicken Sandwich features chicken breast, ghost pepper sauce, pickles and a brioche bun.
—Gabrielle Rockson, People.com, 29 Oct. 2024
See all Example Sentences for bun
Dictionary Entries Near bun
Cite this Entry
“Bun.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bun. Accessed 22 Nov. 2024.
Copy CitationMedical Definition
BUN
noun
: the concentration of nitrogen in the form of urea in the blood
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