stepladder

[step-lad-er] /ˈstɛpˌlæd ər/
noun
1.
a ladder having flat steps or treads in place of rungs.
2.
any ladder, especially a tall one with a hinged frame opening up to form four supporting legs.
Origin
1745-55; step + ladder
Examples from the web for stepladder
  • Avoid standing or sitting on a stepladder's top or pail shelf.
British Dictionary definitions for stepladder

stepladder

/ˈstɛpˌlædə/
noun
1.
a folding portable ladder that is made of broad flat steps fixed to a supporting frame hinged at the top to another supporting frame
Word Origin and History for stepladder
n.

one with steps instead of rungs, 1751, from step (n.) + ladder.