Marriage. Noun
Merriam Webster Definition
Definition of marriage
1a : the state of being united as spouses in a consensual and contractual relationship recognized by law
b : the mutual relation of married persons : wedlock
c : the institution whereby individuals are joined in a marriage
2 : an act of marrying or the rite by which the married status is effected especially : the wedding ceremony and attendant festivities or formalities
3 : an intimate or close union the marriage of painting and poetry— J. T. Shawcross