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
Helen Rosner, New Yorker, 28 Sep. 2025
When rolling up the dough, be careful not to roll it too tightly to allow the buns room to rise and puff up.
—Melinda Salchert, Southern Living, 28 Sep. 2025
Her blonde hair was parted at the side and tucked low in an elegant bun in the back.
—Angel Saunders, PEOPLE, 27 Sep. 2025
In Philadelphia, they are traditionally served with ribeye steak, smothered with provolone or Cheez-Whiz in a white bun.
—Ella Gonzales, Fort Worth Star-Telegram, 26 Sep. 2025
See All Example Sentences for bun
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Noun
There are a few sandwiches, including a chicken burger, all served on squishy potato buns.
—Helen Rosner, New Yorker, 28 Sep. 2025
When rolling up the dough, be careful not to roll it too tightly to allow the buns room to rise and puff up.
—Melinda Salchert, Southern Living, 28 Sep. 2025
Her blonde hair was parted at the side and tucked low in an elegant bun in the back.
—Angel Saunders, PEOPLE, 27 Sep. 2025
In Philadelphia, they are traditionally served with ribeye steak, smothered with provolone or Cheez-Whiz in a white bun.
—Ella Gonzales, Fort Worth Star-Telegram, 26 Sep. 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 30 Sep. 2025.
Copy CitationMedical Definition
BUN
noun
: the concentration of nitrogen in the form of urea in the blood
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