son-in-law

From Wiktionary

Word parts[change]

son + -in-law

Pronunciation[change]

Noun[change]

Singular
son-in-law

Plural
sons-in-law or son-in-laws

  1. (countable) A son-in-law is the husband of one's daughter or child.
    He made his son-in-law a partner in his business.