[ ə'strag(ə)ləs ]
■ noun ( plural astragali -lʌɪ )
1》 chiefly Zoology another term for talus 1 .
2》 a plant of a genus that includes milk vetch. [Genus Astragalus .]
Origin
C16: via L. from Gk astragalos 'ankle bone, moulding', also the name of a plant.