Wiktionary
step stools
n. (step stool English)
Usage examples of "step stools".
Armor Society had incurred unreasonable expense in acquiring exercise equipment for the court ladies to use, the ladies had to agree to three classes a week for the next year, by which time the step stools, mirrors, and showers would be paid off.
Be sure to allow for the fact that the trolls will need to fetch step stools in order to reach the elves' throats and that it takes four trolls to hold one shackled dwarf still for long enough to have his throat cut.