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 attacker slapped the woman on the buttocks on Bedford and Willoughby Aves. — Nicholas Williams, New York Daily News, 2 Nov. 2026

After crashing into a shed, the release said, Paz raised his gun at officers before he was shot in the buttocks and taken into custody. — Harllie Stevenson, Idaho Statesman, 30 Oct. 2026

Levine praises a call from Israel’s president Levine was recovering Sunday from injuries that included what appeared to be stab wounds in her buttocks, which required stitches. — Cara Anna, Chicago Tribune, 18 Oct. 2026

Levine was recovering Sunday from injuries that included what appeared to be stab wounds in her buttocks, which required stitches. — ABC News, 18 Oct. 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