Meaning of PROTESTANT in English

adj making a protest; protesting.

2. protestant ·adj of or pertaining to the faith and practice of those christians who reject the authority of the roman catholic church; as, protestant writers.

3. protestant ·v 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.

Webster English vocab.      Английский словарь Webster.