ritual pre-battle killing; blood offering to raise morale
Historical term for killing an enemy soldier before battle as a morale-boosting ritual. Rare in modern usage outside historical or figurative contexts.
戦国時代には、合戦の前に血祭りをあげる習慣があった。
In the Warring States period, there was a custom of performing a blood offering before battle.
bloodbath; violent killing
Figurative extension of the ritual sense, used for any scene of brutal killing or carnage. Often appears in dramatic or literary descriptions.
抗争は血祭りとなり、多くの犠牲者が出た。
The conflict turned into a bloodbath, with many casualties.
Humorous slang likening menstruation to a blood ritual. Used casually among close friends; can be considered crude.
「今月も血祭りが始まった」と彼女は冗談で言った。
"The blood festival has started again this month," she joked.