n. The relation of husband and wife, with especial reference to what concerns the latter; the state of marriage or wedlock; nuptial union; conjugal partnership.n. The act of marriage; entrance upon the married state by a formal ceremony or procedure: as, the solemnization of matrimony by a clergyman. In the Roman Catholic Church matrimony is regarded as one of the sacraments.n. Wife.n. A game with cards.n.