Meaning of 切散斬 in Japanese

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Definition of 切散斬

ちる(chiru) 【散る】

(v5r, vi) to fall (e.g. blossoms, leaves)
あなたが帰国なさる頃には、桜はみんな散ってしまっていることでしょう。
By the time you get home, all the cherry blossoms will have fallen.
to scatter; to be dispersed
to disappear; to dissolve; to break up
to spread; to run; to blur
to die a noble death

きる(kiru) 【斬る】

(v5r) to kill (a human) using a blade (sword, machete, knife, etc.); to slice (off); to lop (off); to cut (off)

せつ(setsu) 【切】