in-law

[ in-law ]
/ ˈɪnˌlɔ /

noun

a relative by marriage.

Origin of in-law

1890–95; back formation from mother-in-law, brother-in-law, etc.

Example sentences from the Web for in-law

British Dictionary definitions for in-law

in-law

noun

a relative by marriage

adjective

(postpositive; in combination) related by marriage a father-in-law

Word Origin for in-law

C19: back formation from father-in-law, etc