Definition of by marriage
—used to say that a relationship is created because one person is married to a family member of the other <She is my aunt by marriage.> <They are related by marriage.> <an aunt by marriage>
Word by Word Definitions
: 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
: the state of being united to a person of the same sex in a relationship like that of a traditional marriage
Seen and Heard
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