libero-motor,a.|ˈlɪbərəʊˌməʊtə(r)| [irreg.f. L. līberāre to liberate + motor.] Disengaging or liberating motor energy. 1855H. Spencer Princ.Psychol. i. iii. (1872) I. 47 Each ganglion is a libero-motor agent.1880Bastian Brain 38 Libero-motor elements.