noun, noun or participle which takes 'suru', intransitive verb
marriage; matrimony
Formal or legal term for marriage, often used in official documents and legal contexts. The suru-verb form 婚姻する is intransitive and means 'to get married' in a formal sense.
婚姻届を役所に提出した。
We submitted the marriage registration form to the municipal office.
二人は昨年婚姻した。
The two got married last year.