- talus⇄talus (1), noun, pl.-li.
1. the human anklebone; astragalus.
2. the human ankle. - talus⇄talus (2), noun, pl.-luses.
1. (Geology.) a sloping mass of rocky fragments that has fallen from a cliff.
Ex. Piles of talus (earth and rocks dislodged from above by the processes of weathering, which the forces of erosion are unable to remove