Archaic noun for 'ladder', replaced by 梯子 (はしご) in modern Japanese. Found in classical texts or historical contexts.
See also: はしご
In old documents, 梯 is read as はし and used to mean 'ladder'.
stairs at the front of a Noh stage
The kanji 梯 originally meant 'ladder' in Chinese. The reading はし is the native Japanese word for ladder, now obsolete except in historical contexts.