The Collaborative International Dictionary of English v.0.48:

Incito-motor \In*ci`to-mo"tor\, a. [L. incitus incited + E.
   motor.] (Physiol.)
   Inciting to motion; -- applied to that action which, in the
   case of muscular motion, commences in the nerve centers, and
   excites the muscles to contraction. Opposed to
   excito-motor.
   [1913 Webster]