綱つな梯子ばしご

noun

rope ladder; jack ladder; ratline

A ladder made of rope, often used on ships, for climbing, or in emergency situations. 綱梯子 is the standard term; 'jack ladder' and 'ratline' are nautical variants.

• 船ふねの横よこに綱つな梯子ばしごがかかっていた。

  A rope ladder was hanging from the side of the ship.

• 消しょう防ぼう士しは綱つな梯子ばしごを使つかって窓まどから脱だっ出しゅつした。

  The firefighter escaped through the window using a rope ladder.