matrimony
Concise Oxford English Dictionary © 2008 Oxford University Press:
matrimony /ˈmatrɪməni/
▶noun the state or ceremony of being married; marriage.
– derivatives
matrimonial /ˌmatrɪˈməʊnɪəl/ adjective,
matrimonially adverb.
matrimonial /ˌmatrɪˈməʊnɪəl/ adjective,
matrimonially adverb.
– origin ME: via OFr. from L. matrimonium, based on mater, matr- ‘mother’.
'matrimony' also found in these Oxford entries:

