Learner's definition of LADDER
1 : a device used for climbing that has two long pieces of wood, metal, or rope with a series of steps or rungs between them 2 : a series of steps or stages by which someone moves up to a higher or better position
He was moving up the corporate ladder.
climbing the social ladder
She worked her way up from the lowest rung on the economic ladder.
3 British : a long hole in a stocking
— ladderverb,ladders; laddered; ladderingBritish,[no object]