• (imp. & p. p.) of Step • (a.) Provided with a step or steps; having a series of offsets or parts resembling the steps of stairs; as, a stepped key. Found on http://thinkexist.com/dictionary/meaning/stepped/
Stepped adjective Provided with a step or steps; having a series of offsets or parts resembling the steps of stairs; as, a stepped key. Stepped gear , a cogwheel of which the teeth cross the face in a series of steps. Found on http://www.encyclo.co.uk/webster/S/193