墨すみ壺つぼ

noun

ink line; carpenter's ink marker

A traditional carpenter's tool consisting of a small pot filled with ink-soaked cotton and a reel of string. The string is pulled through the ink and snapped against a surface to leave a straight line. The tool itself is often called an 'ink line' in English.

• 大だい工くは墨すみ壺つぼを使つかって材ざい木もくに直ちょく線せんを引ひいた。

  The carpenter used an ink line to mark a straight line on the lumber.

noun

inkpot; ink bottle

Refers to the pot or container that holds ink, especially in the context of the carpenter's tool. Not a general term for an inkwell used with a pen.

• 墨すみ壺つぼの中なかの墨すみが乾かわかないように蓋ふたを閉しめておく。

  Keep the lid on the inkpot so the ink inside doesn't dry out.