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
Anika Reed, USA Today, 5 May 2026
Go for the Black Bean Burger, with avocado, mixed greens, tomato and chipotle aioli on a brioche bun.
—Melissa Oyler
updated May 1, Charlotte Observer, 1 May 2026
Top bottom buns with lettuce, tomato slices, burger patties, and pickle chips.
—Josh Miller, Southern Living, 30 Apr. 2026
Kelly, who has been working weddings for 11 years, agrees that Grainge had something to do with the uptick in bridal buns.
—Elizabeth Gulino, Allure, 28 Apr. 2026
See All Example Sentences for bun
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Noun
Anika Reed Latin music superstar Maluma opted for a dapper Tom Ford suit with his hair slicked back into a bun, blowing USA TODAY a kiss before exiting the carpet.
—Anika Reed, USA Today, 5 May 2026
Go for the Black Bean Burger, with avocado, mixed greens, tomato and chipotle aioli on a brioche bun.
—Melissa Oyler
updated May 1, Charlotte Observer, 1 May 2026
Top bottom buns with lettuce, tomato slices, burger patties, and pickle chips.
—Josh Miller, Southern Living, 30 Apr. 2026
Kelly, who has been working weddings for 11 years, agrees that Grainge had something to do with the uptick in bridal buns.
—Elizabeth Gulino, Allure, 28 Apr. 2026
See All Example Sentences for bun
Cite this Entry
“Bun.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bun. Accessed 6 May. 2026.
Copy CitationMedical Definition
BUN
noun
: the concentration of nitrogen in the form of urea in the blood
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