buttock
Americannoun
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Usually buttocks.
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(in humans) either of the two fleshy protuberances forming the lower and back part of the trunk.
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(in animals) the rump.
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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.
noun
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either of the two large fleshy masses of thick muscular tissue that form the human rump See also gluteus
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the analogous part in some mammals
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
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
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
But Adame, 55, continued to perform silicone buttocks injections, authorities said.
From Los Angeles Times ● Nov. 5, 2025
The 21st century has seen a trend for pads, fillers, and surgery to enlarge lips, breasts, and buttocks, but we don’t yet have off-the-peg belly pads as they did in 1793.
From Slate ● Jul. 21, 2025
Often when lost in thought he would slink so low in a chair that his buttocks would all but touch the floor.
From "A Short History of Nearly Everything" by Bill Bryson
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
