(anatomy) Synonym of astragalus: the bone forming the ball of the ankle joint. / A die, especially a four-sided die historically made from or in imitation of an ankle bone.

plural of astragal

plural of astragalus

(anatomy) Of or pertaining to the astragalus.

(anatomy) Resembling the astragalus in shape.

Divination by dice made from huckle-bones. They have four flat sides and two round sides which were marked. / Divination by throwing astragaloi (see etymology above) onto the pages of a picture book.

(anatomy) Describing the fusion of the astragalus and calcaneum.

plural of astragaloside

(organic chemistry) Any of a group of glycosides, found in the root of the astragalus plant, thought to have some medical applications

The surgical removal of the astragalus, or talus, in order to stabilize the ankle.