- (of a marriage)
in which the title or possessions of the partner who has higher social rank will not be passed on to the other partner, or to their children 摩纳哥人:社会地位较高的伙伴的头衔或财产不会转移给另一伙伴或他们的孩子 Oxford Collocations DictionaryMorganatic is used with these nouns:- marriage
Word Originearly 18th cent.: from modern Latin morganaticus, from medieval Latin matrimonium ad morganaticam ‘marriage with a morning gift’ (because a morning gift, given by a husband to his wife on the morning after the marriage, was the wife's sole entitlement in a marriage of this kind).