n.1. a. A legal union between two persons that confers certain privileges and entails certain obligations of each person to the other, formerly restricted in the United States to a union between a woman and a man.
b. A similar union of more than two people; a polygamous marriage.
c. A union between persons that is recognized by custom or religious tradition as a marriage.
d. A common-law marriage.
e. The state or relationship of two adults who are married: Their marriage has been a happy one.
2. A wedding: Where is the marriage to take place?
3. A close union: "the most successful marriage of beauty and blood in mainstream comics" (Lloyd Rose).
4. Games The combination of the king and queen of the same suit, as in pinochle.