Religious person who uses a whip on him- or herself as a means of penance. Flagellation was practiced in many religions from ancient times; notable outbreaks of this type of extremist devotion occurred in Christian Europe in the 11th–16th centuries.
ETYM Latin flagellans, p. p. of flagellare: cf.French flagellant. Related to Flagellate.
1. A person who whips himself as a religious penance.
2. A person who whips himself for sexual gratification.