buttock
Americannoun
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buttocks
plural
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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
A woman who died during an operation for a buttock enlargement in Turkey was not given enough information to make a safe decision about the procedure, a coroner has concluded.
From BBC ● Sep. 12, 2023
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
“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
If your pelvis sits at an angle—maybe because your legs are different lengths, maybe because you have scoliosis—the midline of the buttocks can tilt, and, boom, a crooked crack.
From Slate ● Feb. 22, 2026
This nerve is the largest in your body, branching from the lower back through your hips, buttocks and down each leg.
From Science Daily ● Dec. 15, 2025
He barely made it a few feet before he felt a stinging pain as first one foam round, then another slammed into his buttocks and his back.
From Los Angeles Times ● Jun. 11, 2025
Winston loathed this exercise, which sent shooting pains all the way from his heels to his buttocks and often ended by bringing on another coughing fit.
From "1984" by George Orwell
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.
