Entry from US English dictionary
A ladder that can be extended by means of sliding sections.
- 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.
For editors and proofreaders
Syllabification: ex·ten·sion lad·der
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