A formal union between a man and a woman solemnized by legal procedure under the supervision of the law, typically before a magistrate or a licensed Nikah Registrar.a formal union between a man and a woman solemnized by legal procedure under the supervision of the law, typically before a magistrate or a licensed Nikah Registrar.a formal union between a man and a woman solemnized by legal procedure under the supervision of the law, typically before a magistrate or a licensed Nikah Registrar.