noun
a type of ladder used for reaching high places, especially on buildings or fire trucks
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The firefighters used an aerial ladder to rescue the people trapped on the top floor of the burning building.
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The firefighters brought out the big aerial ladder to get up to the high window.
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The crew busted out the aerial ladder to reach the top of the building.
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The CEO climbed the corporate ladder with the same determination as ascending an aerial ladder to success.