Category:Servo-motor

Ser`vo-mo"tor, n. [sometimes erroneously spelt serro-motor.] [f. Servo-moteur. See serf; motor.] (mach.)

Defn: a relay apparatus; specif.: (a) an auxiliary motor, regulated by a hand lever, for quickly and Easily moving the reversing gear of a large marine engine into any Desired position indicated by that of the hand lever, which controls The valve of the motor. (b) in a whitehead torpedo, a compressed-air motor, for moving the Rudders so as to correct deviations from the course.