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

• cheeks
• seat
• bum
• 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 actor later claims that Perry choked him at one point in March 2020, and that the mogul groped his buttocks in a trailer on the set of The Oval later that year. —Wesley Stenzel, EW.com, 18 June 2025

According to the complaint, Dixon was staying at Perry’s guesthouse in June 2021, when Perry groped his buttocks while drunk. —Gene Maddaus, Variety, 17 June 2025

But, during the part where the fat gets transferred to the buttocks, the complaint says Torres injected the fat into the gluteus muscles of the buttocks. —David J. Neal, Miami Herald, 8 May 2025

Ferguson turned to his new victim, knifing him in the upper body and buttocks. —Thomas Tracy, New York Daily News, 20 June 2025

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