son-in-law

American  

[suhn-in-law] / ˈsʌn ɪnˌlɔ /

noun

plural

sons-in-law

1. the husband of one's child.

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son-in-law British  

noun

1. the husband of one's daughter

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Etymology

Origin of son-in-law

First recorded in 1300–50; Middle English sone in lawe; son, in, law ¹; from Middle English in-lawe “in law,” i.e., “a person within the regulation and protection of the law,” based on the prohibition by Roman civil law and, later, Christian canon law, of marriages within four degrees of consanguinity, i.e., up to and including first cousins

Example Sentences

He lost five loved ones in the crash: his wife, daughter, son-in-law and two young grandchildren.

From Barron's

He won fame as the oafish son-in-law Michael "Meathead" Stivic on groundbreaking 1970s sitcom "All in the Family," before transitioning to directing.

From Barron's

The elder Reiner shot to stardom playing an outspoken liberal son-in-law on television’s “All in the Family.”

From The Wall Street Journal

So he reduced the business, now run by his son Gareth, to a manageable size with his son-in-law blacksmith and two daughters also involved.

From BBC

I met him in the home of his daughter and son-in-law, in the village of Doune, near Dunblane, where he resides temporarily while recovering from an injury.

From The Wall Street Journal