ルーラー

noun

ruler (measuring tool)

A straight measuring tool, typically a flat strip with markings, used for drawing lines or measuring length. The English loanword is commonly used in Japanese.

• 定じょう規ぎの代かわりにルーラーを使つかった。

  I used a ruler instead of a straightedge.

• このルーラーは30センチまで測はかれます。

  This ruler can measure up to 30 centimeters.