buttock

noun

but·​tock ˈbə-tək 

also -(ˌ)täk

1

: the back of a hip that forms one of the fleshy parts on which a person sits

2

buttocks plural

a

: the seat of the body

b

: rump sense 1a

Synonyms of buttock

• cheeks
• bum
• seat
• tail
• rump

Examples of buttock in a Sentence

she slipped in the mud puddle and hit the ground square on her buttocks

Recent Examples on the Web

The victim was shot multiple times in his torso, back and buttocks after a fight that started in a bar restaurant on Northern Blvd. —Roni Jacobson, New York Daily News, 11 May 2026

Crisp swam up to over a dozen people in the wave pool that day and placed his hands on their buttocks, according to Ada County Deputy Prosecutor Brittany Ford, who was referring to surveillance footage reviewed by law enforcement. —Alex Brizee, Idaho Statesman, 7 May 2026

Berrios-Otero was later seen allegedly massaging both boys, including one of them in their groin and buttocks area, the warrant affidavits said. —Justin Muszynski, Hartford Courant, 2 May 2026

Braves starting pitcher Bryce Elder threw a dart and hit Nationals shortstop CJ Abrams flush in the buttocks with one out in the bottom of the frame. —Chad Bishop, AJC.com, 21 Apr. 2026

Word History

Etymology

Middle English buttok — more at butt entry 1

First Known Use

13th century, in the meaning defined at sense 1

Kids Definition

buttock

noun

but·​tock ˈbət-ək 

1

: the back of the hip which forms one of the fleshy parts on which a person sits

2

plural

a

: the seat of the body

b

: rump sense 1a

Medical Definition

buttock

noun

but·​tock ˈbət-ək 

1

: the back of a hip that forms one of the fleshy parts on which a person sits

2

buttocks plural : the seat of the body

also : the corresponding part of a quadruped : rump