天叢雲剣あま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天叢雲剣あめのむらくものつるぎKanji used天heaven叢conglomerate雲cloud剣sword