One who protests; originally applied to those who adhered to Luther, and protested against, or made a solemn declaration of dissent from, a decree of the emperor Charles V. And the diet of spires, in 1529, against the Reformers, and appealed to a general council; now used in a popular sense to designate any Christian who does not belong to the roman Catholic or the greek Church.
Origin: F. Protestant, fr. L. Protestans, -antis, p. Pr. Of protestare. See Protest.
1. Making a protest; protesting.
2. Of or pertaining to the faith and practice of those Christians who reject the authority of the roman Catholic Church; as, Protestant writers.
Origin: Cf. F. Protestant.