Thesaurus

(v) : to move the foot in walking; to advance or recede by raising and moving one of the feet to another resting place, or by moving both feet in succession; to walk; to go on foot; esp., to walk a little distance; as, to step to one of the neighbors

(n) : an advance or movement made from one foot to the other; a pace; a rest, or one of a set of rests, for the foot in ascending or descending, as a stair, or a rung of a ladder