天叢雲剣あめのむらくものつるぎMeaningsNoun1. Ama-no-Murakumo no Tsurugi (sword; one of the three Imperial regalia); Ame-no-Murakumo no TsurugiOther readings天叢雲剣あまのむらくものつるぎKanji used天heaven叢conglomerate雲cloud剣sword