astragalus: Meaning and Definition of

as•trag•a•lus

Pronunciation: (a-strag'u-lus), [key]
— pl. -li
  1. (in higher vertebrates) one of the proximal bones of the tarsus; talus.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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