Definition of astragalus in English:

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Pronunciation: /əˈstraɡələs/

noun (plural astragali /-ˌlī/)

chiefly Zoology
Another term for talus1.
Example sentences
  • Most of what I found were unidentifiable broken sections of long bones, but I did find a bird femur (thigh bone) and a nice rodent astragalus (ankle bone).
  • Next to the pelvic bone was a much smaller bone, an astragalus (ankle bone), also of an elephant.
  • In the hind limb of these species, the bones of the ankle are also reduced in number, and the astragalus becomes the main weight-bearing bone.


Mid 16th century: via Latin from Greek astragalos 'ankle bone, molding', also the name of a vetch.

For editors and proofreaders

Syllabification: as·trag·a·lus

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