Definition of "Protest" :

noun: the act of protesting; a public (often organized) manifestation of dissent

noun: a formal and solemn declaration of objection

"They finished the game under protest to the league president."

noun: the act of making a strong public expression of disagreement and disapproval

"He shouted his protests at the umpire."

verb: utter words of protest

verb: affirm or avow formally or solemnly

"The suspect protested his innocence."

verb: express opposition through action or words