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

Moseby’s lewd interest in the victims’ buttocks coincided with his pornography searched, Deputy District Attorney Jessica Murad told jurors in her closing arguments. —Nate Gartrell, Mercury News, 14 Oct. 2025

In April 2022 the artist, real name Lontrell Williams, was sentenced to 63 months in prison after pleading guilty to a gun conspiracy charge stemming from an October 2020 confrontation that left a man shot in the buttocks. —Andre Gee, Rolling Stone, 7 Oct. 2025

Safe for all skin types, with little to no downtime and priced at $450 per session, it’s used on the face, neck, chest, hands, elbows, knees, and buttocks. —Elycia Rubin, HollywoodReporter, 29 Sep. 2025

One of the arresting officers in that case recognized Tooley from a 2009 drug arrest — during which Tooley allegedly hid 16 bags of crack cocaine in his buttocks. —Rick Sobey, Boston Herald, 26 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