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buttock

[buht-uh k] /ˈbʌt ək/
noun
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.
Sometimes, buttocks. Nautical. the aftermost portion of a hull above the water line and in front of the rudder, merging with the run below the water line.
Origin of buttock
1000
before 1000; Middle English buttok, Old English buttuc. See butt1, -ock
Related forms
buttocked, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for buttocks
Contemporary Examples
Historical Examples
  • Besides I nestled up against her body, especially her buttocks, and experienced very pleasurable excitement.

    Sleep Walking and Moon Walking Isidor Isaak Sadger
  • Only a small portion of the buttocks need be immersed in the hot water.

    Intestinal Ills Alcinous Burton Jamison
  • Chafed skin, particularly between the buttocks or in other folds and creases, should be kept free from soap.

    The Mother and Her Child William S. Sadler
  • He hoisted her a little higher and absently smacked her buttocks.

    The Buttoned Sky Geoff St. Reynard
  • There will be pain in the muscles of the buttocks, called myalgia; and pain at the end of the spine, called coccygodynia.

    Intestinal Ills Alcinous Burton Jamison
British Dictionary definitions for buttocks

buttock

/ˈbʌtək/
noun
1.
either of the two large fleshy masses of thick muscular tissue that form the human rump See also gluteus related adjectives gluteal natal
2.
the analogous part in some mammals
Word Origin
C13: perhaps from Old English buttuc round slope, diminutive of butt (unattested) strip of land; see butt1-ock
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
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Word Origin and History for buttocks
n.

late 13c., probably related to Old English buttuc "end, short piece of land" (see butt (n.1)).

buttock

n.

late 13c., singular of buttocks (q.v.).

Online Etymology Dictionary, © 2010 Douglas Harper
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buttocks in Medicine

buttock but·tock (bŭt'ək)
n.

  1. Either of the two rounded prominences on the human torso that are posterior to the hips and formed by the gluteal muscles and underlying structures.

  2. buttocks The rear pelvic area of the human body.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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16
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