bun

1 of 2

noun (1)

ˈbən How to pronounce bun (audio)
Synonyms of bunnext
1
: a sweet or plain small bread
especially : a round roll see also sticky bun
2
: a knot of hair shaped like a bun
3
buns plural : buttocks

bun

2 of 2

noun (2)

: load sense 4

Synonyms of bun

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Noun (1)

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Examples of bun in a Sentence

Noun (1) an exercise to firm your buns
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
According to Hagen, the buns and bread the restaurant uses for their sandwiches is sourced from Sacramento Baking Company. — Anne Ewbank, Sacbee.com, 26 Aug. 2026 The menu features several variations of burgers sans-bun for a protein kick without the carbohydrates. — Megan Fahrney, ABC News, 25 Aug. 2026 Swift pulled her blonde hair back into a low bun, showing off a pair of $35,000 3-carat bezel diamond earrings from Retrouvai. — Lara Walsh, InStyle, 25 Aug. 2026 Burger Box at 201 E Kennedale Pkwy in Kennedale scored 57 after inspectors noted multiple violations, including an employee handling raw meat and then hamburger buns with the same gloves and employees touching ready-to-eat foods with bare hands. — Shambhavi Rimal, Fort Worth Star-Telegram, 24 Aug. 2026 See All Example Sentences for bun

Word History

Etymology

Noun (1)

Middle English bunne

Noun (2)

perhaps from bun entry 1

First Known Use

Noun (1)

14th century, in the meaning defined at sense 1

Noun (2)

1898, in the meaning defined above

Time Traveler
The first known use of bun was in the 14th century

Phrases Containing bun

Rhymes for bun

See All Rhymes for bun

Browse Nearby Words

bumwood
bun
buna
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Cite this Entry

“Bun.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bun. Accessed 1 Sep. 2026.

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Kids Definition

bun

noun
ˈbən
1
: a sweet or plain small bread
especially : a round roll
2
: a knot of hair shaped like a bun

Medical Definition

BUN

noun
ˌbē-ˌyü-ˈen How to pronounce BUN (audio)
: the concentration of nitrogen in the form of urea in the blood
Last Updated: - Updated example sentences
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