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buttock

American  
[buht-uhk] / ˈbʌt ək /

noun

  • buttocks
    plural
  1. Usually buttocks.

    1. (in humans) either of the two fleshy protuberances forming the lower and back part of the trunk.

    2. (in animals) the rump.

  2. Nautical. Sometimes buttocks. the aftermost portion of a hull above the water line and in front of the rudder, merging with the run below the water line.


buttock British  
/ ˈbʌtək /

noun

  1. either of the two large fleshy masses of thick muscular tissue that form the human rump See also gluteus

  2. the analogous part in some mammals

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Derived Forms

Inflected Forms

Nouns


Etymology

Origin of buttock

before 1000; Middle English buttok, Old English buttuc. See butt 1, -ock


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

ICE officials acknowledged that Ayala-Uribe died at the Victorville hospital while waiting for surgery for an abscess on his buttock.

From Los Angeles Times ● Nov. 22, 2025

Surgically speaking, a BBL is basically fat grafting, in which fat is moved from one location to your body to your buttock area.

From Salon ● Apr. 29, 2023

British journalist Nigel Ely wrote a 2017 book about a chunk of Saddam’s left buttock that he pried off the statue.

From Seattle Times ● Apr. 8, 2023

"The Met Police is not going into private schools and asking white girls to spread their buttock cheeks," she said.

From BBC ● Mar. 16, 2022

“Only time I’ve ever seen Dad as angry as Mum. Fred reckons his left buttock has never been the same since.”

From "Harry Potter and the Half-Blood Prince" by J.K. Rowling

The potholed and dangerous roads of the Caucasus and Central Asia—Tajikistan’s Tunnel of Death lives up to its name—leave Mr. Barnes with aching buttocks and shattered nerves.

From The Wall Street Journal ● Oct. 23, 2026

Airlines measure capacity using something called an available seat mile, which is one mile flown by one seat, with or without buttocks.

From Barron's ● May 8, 2026

Non-surgical BBLs - like the one Webb is believed to have had - involves injecting dermal filler into the buttocks.

From BBC ● Feb. 24, 2026

The study also found that people who used tanning beds were more likely to develop melanoma on body areas that are usually shielded from the sun, such as the lower back and buttocks.

From Science Daily ● Dec. 15, 2025

Theo accidentally shot himself in the buttocks on a hunting trip with his father and he never even left the country.

From "The Brightwood Code" by Monica Hesse

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