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
Anna Skinner, MSNBC Newsweek, 30 Nov. 2025
Similar to her mom, the eldest of three also matched Brittany with space buns in her hair.
—Skyler Caruso, PEOPLE, 28 Nov. 2025
For example, a hot dog with a bun can have over 300 calories and 19 grams of fat.
—Morgan Pearson, Verywell Health, 26 Nov. 2025
Long a hallmark of French cooking, the fancy butter renaissance has now spread into kitchens of every style, becoming a vessel of creativity accompanying everything from sourdough and focaccia to tortillas, challah and Taiwanese buns.
—Brittany Anas, Denver Post, 26 Nov. 2025
See All Example Sentences for bun
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Noun
On November 20, Prime Food recalled its lava buns because of undeclared milk.
—Anna Skinner, MSNBC Newsweek, 30 Nov. 2025
Similar to her mom, the eldest of three also matched Brittany with space buns in her hair.
—Skyler Caruso, PEOPLE, 28 Nov. 2025
For example, a hot dog with a bun can have over 300 calories and 19 grams of fat.
—Morgan Pearson, Verywell Health, 26 Nov. 2025
Long a hallmark of French cooking, the fancy butter renaissance has now spread into kitchens of every style, becoming a vessel of creativity accompanying everything from sourdough and focaccia to tortillas, challah and Taiwanese buns.
—Brittany Anas, Denver Post, 26 Nov. 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 1 Dec. 2025.
Copy CitationMedical Definition
BUN
noun
: the concentration of nitrogen in the form of urea in the blood
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