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
Ashlyn Robinette, People.com, 11 Apr. 2025
Take a regular fast-food consumer who eats a typical meal of a burger on an industrial bun, fries and a soda, or a hot dog on industrial bread with chips and soda.
—Sandee Lamotte, CNN Money, 8 Apr. 2025
There are also traditional Chinese appetizer staples such as dumplings and sweet sesame balls to hit the spot when that craving strikes, plus steamed buns, eggrolls and spring rolls.
—Heidi Finley, Charlotte Observer, 7 Apr. 2025
Pickle bun sandwiches are taking over TikTok (hello, pickle poboys), and pickles are skyrocketing in popularity on GrubHub.
—Kelly Tyko, Axios, 3 Apr. 2025
See All Example Sentences for bun
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Noun
The fitness trainer's hair was styled in a high bun with a long white bow.
—Ashlyn Robinette, People.com, 11 Apr. 2025
Take a regular fast-food consumer who eats a typical meal of a burger on an industrial bun, fries and a soda, or a hot dog on industrial bread with chips and soda.
—Sandee Lamotte, CNN Money, 8 Apr. 2025
There are also traditional Chinese appetizer staples such as dumplings and sweet sesame balls to hit the spot when that craving strikes, plus steamed buns, eggrolls and spring rolls.
—Heidi Finley, Charlotte Observer, 7 Apr. 2025
Pickle bun sandwiches are taking over TikTok (hello, pickle poboys), and pickles are skyrocketing in popularity on GrubHub.
—Kelly Tyko, Axios, 3 Apr. 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 18 Apr. 2025.
Copy CitationMedical Definition
BUN
noun
: the concentration of nitrogen in the form of urea in the blood
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