definition of
astragalus

[1] #1 astragalus n. [Astragalus, genus Astragalus] large genus of annual or perennial herbs or shrubs of north temperate regions; largest genus in the family Leguminosae. wn

[2] #2 astragalus n. [anklebone, astragal, talus] the bone in the ankle that articulates with the leg bones to form the ankle joint. wn