[syn: anklebone, astragal, astragalus, talus]
The Collaborative International Dictionary of English v.0.48:
Astragalus \As*trag"a*lus\, n. [L. See Astragal.]
1. (Anat.) The ankle bone, or hock bone; the bone of the
tarsus which articulates with the tibia at the ankle.
2. (Bot.) A genus of papilionaceous plants, of the tribe
Galege[ae], containing numerous species, two of which
are called, in English, milk vetch and licorice vetch.
Gum tragacanth is obtained from different oriental
species, particularly the Astragalus gummifer and
3. (Arch.) See Astragal, 1.
WordNet (r) 3.0 (2006):
n 1: large genus of annual or perennial herbs or shrubs of north
temperate regions; largest genus in the family Leguminosae
[syn: Astragalus, genus Astragalus]
2: the bone in the ankle that articulates with the leg bones to
form the ankle joint [syn: anklebone, astragal,