Matrimonial means concerning marriage or married people.
例句
...the matrimonial home.婚房
英漢詞典釋義
adj.
婚姻的;婚禮的
Matrimonial vows are to show the faithfulness of the new couple.婚誓體現了新婚夫婦對婚姻的忠誠。It took ten cars to bear the matrimonial guests away.用了十輛汽車才把參加婚禮的客人們送走。