The Collaborative International Dictionary
Son-in-law \Son"-in-law`\, n.; pl. Sons-in-law. The husband of one's daughter; a man in his relationship to his wife's parents.
To take me as for thy son in lawe.
--Chaucer.
Wiktionary
n. (son-in-law English)
WordNet
n. the husband of your daughter
[also: sons-in-law (pl)]
See son-in-law
Usage examples of "sons-in-law".
Then when he had grumbled himself into accepting it, Leanie set herself to charm him—told him how lucky he was to have two full-grown sons-in-law to manage the estate for him so that Domenic could take his place in Council, and two daughters to live here and bear him company.
Both future sons-in-law had loftier career ambitions, but they enjoyed their time harvesting the crop.
Now that the boys had crafts, they were viewed less as bothersome pests and more as potential sons-in-law, and there had been more than one case of a mother looking the other way while a daughter used her natural gifts to snare a young husband.