Source : Webster's Revised Unabridged Dictionary (1913)

Locomotor \Lo`co*mo"tor\, a. [See {Locomotion}.]
   Of or pertaining to movement or locomotion.

   {Locomotor ataxia}, or {Progressive locomotor ataxy} (Med.),
      a disease of the spinal cord characterized by peculiar
      disturbances of gait, and difficulty in co["o]rdinating
      voluntary movements.

Ataxia \A*tax"i*a\, Ataxy \At"ax*y\, n. [NL. ataxia, Gr. ?, fr.
   ? out of order; 'a priv. + ? ordered, arranged, ? to put in
   order: cf. F. ataxie.]
   1. Disorder; irregularity. [Obs.] --Bp. Hall.

   2. (Med.)
      (a) Irregularity in disease, or in the functions.
      (b) The state of disorder that characterizes nervous
          fevers and the nervous condition.

   {Locomotor ataxia}. See {Locomotor}.

Source : WordNet®

locomotor ataxia
     n : syphilis of the spinal cord characterized by degeneration of
         sensory neurons and stabbing pains in the trunk and legs
         and unsteady gait and incontinence and impotence [syn: {tabes
         dorsalis}]