太ふと線せん

noun

thick line; heavy line; underline; border

Refers to a line that is drawn thicker than normal, often for emphasis, underlining, or as a border in documents, diagrams, or design.

• 重じゅう要ような語ご句くには太ふと線せんを引ひいてください。

  Please underline important words with a thick line.

• 表ひょうの外そと枠わくは太ふと線せんで囲かこまれている。

  The outer border of the table is drawn with a thick line.