long shaku (approx. 37.9 cm)
Obsolete unit of length used mainly for measuring cloth; longer than the standard shaku (曲尺).
昔の着物は鯨尺で仕立てられていた。
Old kimono were tailored using the kujirajaku measurement.
Named for the whale baleen formerly used to make such measuring rulers; 尺 denotes the traditional unit of length.