薙

streaked shearwater (species of seabird, Calonectris leucomelas)

petrel (esp. petrels of family Procellariidae)

art of using a naginata

sweeping sideways

to mow down

Kusanagi no Tsurugi (alternate name for Ama-no-Murakumo no Tsurugi; the sword of the Imperial regalia)

naginata

to cut down (grass, etc.; by swinging a sickle, scythe, etc.)