<p><strong>Noun</strong></p><ul><li>an expression or declaration of objection, disapproval, or dissent, often in opposition to something a person is powerless to prevent or avoid: a protest against increased taxation.</li><li>a formal notarial certificate attesting the fact that a check, note, or bill of exchange has been presented for acceptance or payment and that it has been refused.</li><li>the action taken to fix the liability for a dishonored bill of exchange or note.</li><li>(upon one's payment of a tax or other state or city exaction) a formal statement disputing the legality of the demand.</li><li>a written and attested declaration made by the master of a ship stating the circumstances under which some damage has happened to the ship or cargo, or other circumstances involving the liability of the officers, crew, etc.</li><li>a formal objection or complaint made to an official.</li></ul><p><strong>Verb</strong></p><ul><li>to give manifest expression to objection or disapproval; remonstrate.</li><li>to make solemn or earnest declaration.</li><li>to make a protest or remonstrance against; object to.</li><li>to say in protest or remonstrance.</li><li>to declare solemnly or earnestly; affirm; assert.</li><li>to make a formal declaration of the nonacceptance or nonpayment of (a bill of exchange or note).</li></ul>