Webster's Revised Unabridged Dictionary · 1913

Talus

Talus , noun

[Latin, the ankle, the ankle bone.]

1.
(Anatomy) The astragalus.
2.
(Surgery) A variety of clubfoot (Talipes calcaneus). See the Note under Talipes.

Talus , noun

[French]

1.
(Fortification) A slope; the inclination of the face of a work.
2.
(Geology) A sloping heap of fragments of rock lying at the foot of a precipice.