also: くりだしばしご
noun
extension ladder; aerial ladder
A ladder that can be extended, typically used by firefighters or for high-reach tasks. The term is neutral and technical.
消防士が繰り出し梯子を使ってビルの上階に取り残された人を救助した。
The firefighters used an extension ladder to rescue the person stranded on the upper floor of the building.
この繰り出し梯子は最大で15メートルまで伸ばせます。
This extension ladder can be extended up to 15 meters.
Rare spelling with rendaku (voicing) on はしご; the reading くりだしばしご is less common.
Compound of 繰り出す (to extend, to send out) and 梯子 (ladder). The reading くりだしばしご is a result of rendaku (sequential voicing) on はしご.