草薙の剣
1
Kusanagi no Tsurugi (alternate name for Ama-no-Murakumo no Tsurugi; the sword of the Imperial regalia);grass-mowing sword
See also:
天叢雲剣 (あまのむらくものつるぎ)
Other forms
草薙剣 【くさなぎのつるぎ】