鉄てつ尺じゃくMeanings1nouncarpenter's squarerare termRare term for a carpenter's square; the standard modern word is 曲尺 (かねじゃく).See also: 曲尺「鉄てつ尺じゃく」は曲尺かねじゃくの別べつ名めいとして古ふるい文ぶん献けんに見みられることがある。The term 鉄尺 can be found in old documents as another name for a carpenter's square.