Từ điển Việt Anh Việt 4in1 - English Vietnamese 4 in 1 Dictionary
stepladder
step‧lad‧der /ˈstepˌlædə $ -ər/ BrE AmE noun [countable] a ↑ladder which has two sloping parts that are joined at the top so that it can stand without support, and which can be folded flat