matrimonial action

matrimonial action An action relating to the state of marriage, such as an action for separation, annulment, or divorce. [Cases: Divorce 1; Marriage 57. C.J.S. Divorce ¡ì¡ì 2, 5, 97¨C98; Marriage ¡ì 64.] How do bilingual lawyers in China usually translate the term matrimonial action?