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

The incident left his son with cuts and bruises all over his body, including in the buttocks and scrotum area. —Gord Magill, Newsweek, 20 Dec. 2024

Shots were fired at Surfside Gardens, a NYCHA housing complex on W. 31st St. near Mermaid Ave., at about 12:30 p.m. Bullets struck a 22-year-old woman in the buttocks and a 32-year-old man in the right hand, police said. —Thomas Tracy, New York Daily News, 14 Nov. 2024

Testosterone treatment includes a gel rubbed on the shoulder, pills or an implantable pellet in the buttocks. —Akshay Syal, M.d., NBC News, 10 Nov. 2024

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

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