忍にん者じゃ刀とうMeaningsNoun1. ninja swordKanji used忍ninja者someone刀katanaComposed of忍にん者じゃninja; person trained in ninjutsu and employed for covert purposes in feudal JapanNoun刀とうsword (esp. Japanese single-edged); katana; scalpel; chisel; burin; graver; knife money (knife-shaped commodity money used in ancient China)Noun