索さく梯ていMeanings1nounrope ladder; jack ladderA ladder made of rope, used for climbing or descending. 'Jack ladder' is a nautical term for a rope ladder with wooden rungs.船ふねの乗のり組くみ員いんは索さく梯ていを使つかって救きゅう命めいボートに降おりた。The ship's crew descended to the lifeboat using a rope ladder.