Main Entry: tabes dor·sa·lis

Pronunciation: \-dȯr-ˈsa-ləs, -ˈsā-, -ˈsä-\

Function: noun

Etymology: New Latin, dorsal tabes

Date: circa 1681

: a syphilitic disorder of the nervous system marked by wasting, pain, limb weakness, ataxia, and disorders of sensation and vision resulting from degeneration of the spinal cord —called also locomotor ataxia