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\ ˈsən-ən-ˌlȯ 
\
\ plural sons-in-law
Definition of son-in-law
: the husband of one's daughter or son
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More Definitions for son-in-law
son-in-law
nounEnglish Language Learners Definition of son-in-law
: the husband of your daughter
See the full definition for son-in-law in the English Language Learners Dictionary
son-in-law
noun\ ˈsən-ən-ˌlȯ \
plural sons-in-law
Kids Definition of son-in-law
: the husband of a person's daughter
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Time Traveler for son-in-law
The first known use of son-in-law was in the 14th century
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