Noun
step stool (plural step stools)
A stool of various designs with one or more steps; in some designs the steps may be folded away underneath the seat when not in use.
I try to teach my son about sanitation, especially when handling foods like chicken that could be dangerous. I remind him to wash his hands all the time. When my son cooks with me, he stands on a step stool so he can reach the stove. I teach him about safety and fire. Emeril Lagasse