matrimony

noun

Etymology: From Old French matremoine, from Latin mātrimōnium (“marriage, wedlock”), from mātri(s) (“mother”) + -mōnium (“obligation”). By surface analysis, matri- + -mony. Compare patrimony.

1. Marriage; the state of being married.

   “If either of you know any impediment, why ye may not be lawfully joined together in matrimony, ye do now confess it.”

   “[…]you can play around with girls without being involved in meshes of sentiment, and you can do anything and be justified—and here am I with the brains to do everything, yet tied to the sinking ship of future matrimony.”

2. The ceremony of marriage.
3. A particular solitaire card game using two decks of cards.
4. A spouse.