切せつ断だん線せんMeaningsNoun1. cutting-plane lineKanji used切cut断be cut off線lineComposed of切せつ断だんcutting; severance; section; amputation; disconnectionNoun線せんline; stripe; stria; line (e.g. telephone line); wire; ray (e.g. X-ray); beam; line (e.g. of a railroad); track; route; …Noun