stepstool
nounUK /ˈstɛp.stuːl/
US /ˈstɛp.stuːl/
A small stool with steps that helps you reach high things.
She used a stepstool to reach the top shelf.
OTHER MEANINGS
2. A small folding platform used in kitchens or libraries for reaching high shelves.
The librarian climbed the stepstool to get the old book.
3. A low stool used to help children reach the sink or toilet.
The toddler stood on a stepstool to wash his hands.
4. A portable set of one or two steps used for light household tasks.
He grabbed the stepstool to change the light bulb.