stepped rack

A rack having teeth arranged in several rows, which alternate with each other so as to produce the uniformity of motion due to smaller teeth, without sacrifice of strength. The teeth of the pinion with which it gears are, of course, correspondingly arranged. stěp-per, s . [Eng.step, v.;-er.] One who steps; one that has a gait, good or bad; spec if. applied to a horse, in reference to his high action in trotting. [HIGH-STEPPER.] "The man who wants a pair of steppers ."- Field , Jan. 16, 1886. step-ping, pr. par., a. & 8. [STEP, v.] A. & B. As pr. par. & particip. adj.: (See the verb.) C. As subst.: A step; motion; progre or advance. "But still the flood crept by little step pings ."- Bp . Taylor: Sermons, vol. i., ser. 8.