Definition of stepping:
(n) :
The act of taking a step.
(n) :
An African-American form of dance in which the performer's entire body is used as an instrument to produce complex rhythms and sounds through footsteps, spoken word, and clapping.
(n) :
(computing) A specific iteration of a model of central processing unit, often distinguished by the addition or removal of features compared to earlier examples of the same processor, or the presence, or lack thereof, of specific bugs.