大おお太刀だちMeaningsNoun1. extra-long swordOther readings大おお太刀たちKanji used大large太plump刀katanaPitch accentおおだちおおだちComposed of大おおlarge; big; great; major; important; serious; heavy; loud; older; senior; …Prefix太刀たちlong sword (as opposed to the shorter katana)Noun