bun

1 of 2

noun (1)

ˈbən 

1

: a sweet or plain small bread

especially : a round roll

2

: a knot of hair shaped like a bun

3

buns plural : buttocks

bun

2 of 2

noun (2)

: load sense 4

Synonyms

Noun (1)

• backside
• behind
• booty [slang]
• bootie
• bottom
• breech
• bum
• butt
• buttocks
• caboose
• can
• cheeks
• derriere
• derrière
• duff
• fanny
• fundament
• hams
• haunches
• heinie [slang]
• hunkers
• keister [slang]
• keester
• nates
• posterior
• rear
• rear end
• rump
• seat
• tail
• tail end
• tush [slang]

Examples of bun in a Sentence

Noun (1)

an exercise to firm your buns

Recent Examples on the Web

Noun

Wearing a pink shirt and her hair up in two buns, True excitedly walked over to Tristan, who had Tatum on his lap. —Hannah Sacks, Peoplemag, 30 May 2024

The two bakeries together make more than 1 million honey buns a day, Myers said. —Catherine Muccigrosso, Charlotte Observer, 28 May 2024

The menu includes items like KC Poutine (french fries, garlic cheese curds, brisket, bourbon BBQ gravy), tacos, burgers, wings and sandwiches like the Pickle Rick (pulled pork, pepper jack cheese, red onions and honey BBQ on a brioche bun). —David Hudnall, Kansas City Star, 24 May 2024

Video from the Camry’s dash camera shows a man with a short, afro haircut styled into side buns sitting in the rear seat behind Sher Ali, the affidavit states. —Harriet Ramos, Fort Worth Star-Telegram, 23 May 2024

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

Phrases Containing bun

• have a bun in the oven
• sticky bun

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 

: the concentration of nitrogen in the form of urea in the blood