[kruhs, kroos]
noun, plural crura [kroor-uh] . Anatomy, Zoology.
the part of the leg or hind limb between the femur or thigh and the ankle or tarsus; shank.
a limb or process, as of a bone or other structure.
any of various parts likened to a leg or to a pair of legs.

1680–90; < Latin: leg, shank Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
crura (ˈkrʊərə)
the plural of crus

crus (krʌs)
n , pl crura
1.  anatomy the leg, esp from the knee to the foot
2.  (usually plural) leglike parts or structures
[C17: from Latin: leg]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

from Fr. cru "vineyard," lit. "growth" (16c.), from O.Fr. crois (12c.; Mod. Fr. croît), from croiss-, stem of croistre "growth, augment, increase," ult. from L. crescere "come forth, spring up, grow, thrive" (see crescent).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

crus (krōōs, krŭs)
n. pl. cru·ra (krur'ə)

  1. The section of the leg between the knee and foot; lower leg; shank.

  2. A body part consisting of elongated masses or diverging bands that resemble legs or roots.

  3. Either of a pair of diverging bands or elongated masses.

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