What is one of a fanatical sect which flourished in Europe in the 13th and 14th centuries, and maintained that flagellation was of equal virtue with baptism and the sacrament; -- called also disciplinant called?

flagellant — One of a fanatical sect which flourished in Europe in the 13th and 14th centuries, and maintained that flagellation was of equal virtue with baptism and the sacrament; -- called also disciplinant. (Webster's 1913.)

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