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: Webster's Revised Unabridged Dictionary (1913)