n. One who pleads the cause of another in a court of law; specifically, a lawyer of full rank in a country, or practising before a court, in which the civil or the canon law prevails, as France and Scotland, and the admiralty and ecclesiastical courts of England.n. One who defends, vindicates, or espouses a cause by argument; a pleader in favor of any person or thing; an upholder; a defender: as, an advocate of peace or of the oppressed.n. In the Roman Catholic Church, a name commonly applied to the promoter of the faith, one of the college of consistorial advocates in the papal court, from his office of urging the objections against the virtues, miracles, etc., of a person proposed for canonization.n. One given to bringing forward accusations against personal character.n. In England, formerly, an official who prosecuted in all criminal cases falling under military law which concerned the crown; now, a subordinate member of the government who acts as the legal adviser of the crown in all matters of military law.To invoke.To plead in favor of; defend by argument before a tribunal; support or vindicate.In Scots law, formerly, to transfer from an inferior court to the Court of Session, as an action while still pending, or after judgment had been given, in order that the judgment might be reviewed. See advocation, 2.To act as an advocate; plead.