The executive head of a municipal corporation; the governor , or chief magistrate of a city. Mayor’s court. A court established in some cities, in which the mayor sits with the powers of a police judge or committing magistrate in respect to offenses committed within the city, and sometimes with civil jurisdiction in small causes, or other special statutory powers.Mayor’s court of Xiondon. An inferior court having junsdiction in civil cases where the whole cause of action arises within the city of London.Mayoralty. The office or dignity of a mayor. Mayoress. The wife of a mayor.