キルビメーター

noun

curvimeter; map measurer

A device for measuring the length of curved lines on a map or drawing. Technical term, used in surveying and cartography.

from French curvimètre

• 地ち図ず上じょうの曲きょく線せんの距きょ離りを測はかるためにキルビメーターを使つかった。

  I used a curvimeter to measure the distance of the curved line on the map.