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

• backside
• behind
• booty [slang]
• bootie
• bottom
• breech
• bum
• buns
• butt
• caboose
• can
• cheeks
• derriere
• derrière
• duff
• fanny
• fundament
• hams
• haunches
• heinie [slang]
• hunkers
• keister [slang]
• keester
• nates
• posterior
• rear
• rear end
• rump
• seat
• tail
• tail end
• tush [slang]

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

In particular, walking uphill can strengthen your quads (the front thigh muscles) and your glutes (your buttocks muscles).1 Large muscle groups in your body that are critical for day-to-day movements. —Kelly Burch, Verywell Health, 11 Dec. 2024

Anyway, the best thing about the trophy is two engravings dedicated to president Gianni Infantino, including one line which says the tournament was inspired by him, which is a bit like Infantino having ‘inspired by Adam and Eve’ tattooed on his left buttock. —Tim Spiers, The Athletic, 22 Nov. 2024

Following the first surgery, English required a skin graft on his buttock, which was taken from his right leg. —Vanessa Etienne, People.com, 21 Nov. 2024

Officers retrieved a wallet with different credit cards and debit cards that Richards had allegedly hidden in his buttocks, according to the probable cause statement. —Rosemary Feitelberg, WWD, 21 Nov. 2024

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