definition of
Astragalus

[1] #1 Astragalus n. [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, astragalus, talus] the bone in the ankle that articulates with the leg bones to form the ankle joint. wn