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 gunman, William Ferrer, shot two others near the corner of Eliot Place and Grand Concourse, including a 34-year-old man struck in the left foot and a 25-year-old man hit in the buttocks, cops said. — Kerry Burke, New York Daily News, 1 Aug. 2026

Ten members of a Pennsylvania high school football team, including several coaches, face charges after a player was allegedly stomped with cleats, and jabbed in the buttocks with a broomstick. — Adam Sabes, FOXNews.com, 30 July 2026

Quintero, the complaint said, did a fat transfer to the buttocks, chest, trapezius and biceps for Patient 1 after removing 3,000 cubic centimeters of supernatant fat from the chest, abdomen, flanks, and back. — David J. Neal, Miami Herald, 29 July 2026

In the 1990s, Tom Ford, during his tenure at Gucci, made the buttocks the center of attention with the help of a visibly flashing thong, while the Y2K trends of the ’00s targeted the midsection and declared crop tops socially acceptable. — Kelly Niesen, Glamour, 24 July 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