Matrimonial means concerning marriage or married people.
例句
...the matrimonial home.婚房
英汉词典释义
adj.
婚姻的;婚礼的
Matrimonial vows are to show the faithfulness of the new couple.婚誓体现了新婚夫妇对婚姻的忠诚。It took ten cars to bear the matrimonial guests away.用了十辆汽车才把参加婚礼的客人们送走。