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mar·riage
Pronunciation: 'mer-ij, 'ma-rij
Function: noun
Etymology: Middle English mariage, from Anglo-French, from marier to marry

1 a (1) : the state of being united to a person of the opposite sex as husband or wife in a consensual and contractual relationship recognized by law

(2) : the state of being united to a person of the same sex in a relationship like that of a traditional marriage

from: Merriam-Webster Online Dictionary