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son-in-law

[ suhn-in-law ]
/ ˈsʌn ɪnˌlɔ /
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noun, plural sons-in-law.

the husband of one's child.

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Origin of son-in-law

First recorded in 1300–50; Middle English sone in lawe; see origin at son, in, law1; 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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for son-in-law

British Dictionary definitions for son-in-law

son-in-law

noun plural sons-in-law

the husband of one's daughter
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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