• synonyms


[a-strag-uh-luh s]
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noun, plural as·trag·a·li [a-strag-uh-lahy] /æˈstræg əˌlaɪ/. Zoology.
  1. (in higher vertebrates) one of the proximal bones of the tarsus; talus.
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Origin of astragalus

From New Latin, dating back to 1535–45; see origin at astragal
Related formsas·trag·a·lar, adjectivesub·as·trag·a·lar, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words


Examples from the Web for astragalus

Historical Examples

  • A few new species of Crucifer and Astragalus were obtained on the ridge.

    Western Himalaya and Tibet

    Thomas Thomson

  • The fibula articulates with the calcaneum, and the astragalus is very flat.

    The Vertebrate Skeleton

    Sidney H. Reynolds

  • The two bones of the proximal row are the astragalus and calcaneum.

    The Vertebrate Skeleton

    Sidney H. Reynolds

  • The caterpillar eats Astragalus, Thermopsis, and white clover.

    The Butterfly Book

    William Jacob Holland

  • The os calcis is crushed between the astragalus and the ground.

British Dictionary definitions for astragalus


noun plural -li (-ˌlaɪ)
  1. anatomy another name for talus 1
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Word Origin

C16: via New Latin from Latin: astragal
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

astragalus in Medicine


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