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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
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. 2014.
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Examples from the web for buttock
  • Most times, it is an area that is hidden by clothes, such as the buttock or inner thigh.
  • It travels through the pelvis and then deep into each buttock.
  • Then the doctor plunged the unusually large needle into his right buttock.
  • When people start shifting their weight from one buttock to the other, there is at last a break.
British Dictionary definitions for buttock

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 buttock
n.

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

Online Etymology Dictionary, © 2010 Douglas Harper
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buttock 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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15
18
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