Meanings of butcherly in English

Will they remove the only motive which could bring me to the butcherly spectacle of their combat?

I am only sorry for my poor fellows," he added, "fallen into such butcherly hands!"

It remains, then, beyond a doubt, that that subterranean vault contained the victims of one of the many secret martyrdoms of the butcherly tribunal.

Butcherly blockheads in these high places, and himself lying sick and powerless, unable to lift a hand for the cause he loved.