Pleading in court is a legal process in which a person or party presents their case to a judge or jury. This is usually done by making an argument and presenting evidence to support it. The term 'pleads in court' can refer to the act of making an argument in court, or to the actual document that is filed with the court. The crossword solution for this term is 'ARGUES, ' which is an appropriate word to describe the act of pleading in court.