A ladder that can be extended by means of sliding sections.
More example sentences
- Never use a step ladder in a folded position by pretending it's an extension ladder and leaning it against something - the feet are angled the wrong way for this use, and the ladder will easily slip.
- That family-owned extension ladder, in fact, serves as a community ladder.
- So Brian welded an extension ladder on top of a really tiny wheeled base.