1
: a sweet or plain small bread
especially
: a round roll
2
: a knot of hair shaped like a bun
3
Examples of bun in a Sentence
Noun (1)
an exercise to firm your buns
Recent Examples on the Web
Raven Smith, Vogue, 19 Mar. 2025
Spoiler: there were tons of messy buns and loose sweats on display.
—Elisabeth Sherman, Parents, 18 Mar. 2025
The new spicy spin on KFC's original chicken sandwich – a white-meat filet topped with pickles on a brioche bun – was introduced last month.
—Peter Burke, Fox News, 11 Mar. 2025
The only new item is the Ham & Swiss Pretzel Sliders that are made with pretzel-style King's Hawaiian-brand slider buns.
—Kelly Tyko, Axios, 5 Mar. 2025
See All Example Sentences for bun
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Noun
There’s a terrifying community lurking just beneath our internet—beneath the Mayhem cycle, Met Gala dresses, and Bad Bunny’s buns.
—Raven Smith, Vogue, 19 Mar. 2025
Spoiler: there were tons of messy buns and loose sweats on display.
—Elisabeth Sherman, Parents, 18 Mar. 2025
The new spicy spin on KFC's original chicken sandwich – a white-meat filet topped with pickles on a brioche bun – was introduced last month.
—Peter Burke, Fox News, 11 Mar. 2025
The only new item is the Ham & Swiss Pretzel Sliders that are made with pretzel-style King's Hawaiian-brand slider buns.
—Kelly Tyko, Axios, 5 Mar. 2025
See All Example Sentences for bun
Cite this Entry
“Bun.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bun. Accessed 24 Mar. 2025.
Copy CitationMedical Definition
BUN
noun
: the concentration of nitrogen in the form of urea in the blood
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