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

Gary Busey was sentenced to two years probation Thursday after previously pleading guilty to charges stemming from an incident where the actor purposely groped a woman’s buttocks at a New Jersey horror convention in 2022. —Daniel Kreps, Rolling Stone, 20 Sep. 2025

Emenheiser returned fire and struck the man in the buttocks, according to testimony. —Jeanine Santucci, USA Today, 19 Sep. 2025

However, hers are stretched so thin across her buttocks that the fabric is semi-transparent. —Jeanne Phillips, Mercury News, 17 Sep. 2025

While attempting to put him back in his kennel, Moncur says, she was attacked by the dog, which bit her on the arms, legs, buttocks and neck. —Tony Saavedra, Oc Register, 16 Sep. 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