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[thahy] /θaɪ/
the part of the lower limb in humans between the hip and the knee.
the corresponding part of the hind limb of other animals; the femoral region.
  1. the true femoral region that is hidden by the skin or feathers of the body.
  2. the segment below, containing the fibula and tibia.
Entomology. the femur.
Origin of thigh
before 900; Middle English thi, thigh(e), the(h), Old English thīoh, thēoh; cognate with Dutch dij, Old High German dioh, Old Norse thjō Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for thigh
Contemporary Examples
Historical Examples
  • Then, he smote his thigh with a blow strong enough to kill an ox.

    Within the Law Marvin Dana
  • I saw him frown, and suddenly he slapped his thigh as a man does when thought overtakes him.

    The Trail Book Mary Austin
  • While you may get a man's character from his face, you can, if you will, get his past life from his thigh.

    The Underdog F. Hopkinson Smith
  • He smote his hand against his thigh, while Kenyon looked at him in wonder.

    A Woman Intervenes Robert Barr
  • O foolish god, say they, and worthy to be born as you were of your father's thigh!

    The Praise of Folly Desiderius Erasmus
British Dictionary definitions for thigh


the part of the leg between the hip and the knee in man
the corresponding part in other vertebrates and insects
adjectives crural femoral
Word Origin
Old English thēh; related to Old Frisian thiāch, Old High German dioh thigh, Old Norse thjō buttock, Old Slavonic tyku fat
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 thigh

Old English þeoh, þeh, from Proto-Germanic *theukhom (cf. Old Frisian thiach, Old Dutch thio, Dutch dij, Old Norse þjo, Old High German dioh), from PIE *teuk- from root *teu- "to swell" (cf. Lithuanian taukas, Old Church Slavonic tuku, Russian tuku "fat of animals;" Lithuanian tukti "to become fat;" Greek tylos "callus, lump," tymbos "burial mound, grave, tomb;" Old Irish ton "rump;" Latin tumere "to swell," tumulus "raised heap of earth," tumor "a swelling;" Middle Irish tomm "a small hill," Welsh tom "mound"). Thus thigh is literally "the thick or fat part of the leg."

Online Etymology Dictionary, © 2010 Douglas Harper
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thigh in Medicine

thigh (thī)
The part of the leg between the hip and the knee. Also called femur.

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