sister-in-law noun - Definition, pictures, pronunciation and usage notes | Oxford Advanced American Dictionary at OxfordLearnersDictionaries.com

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Definition of sister-in-law noun from the Oxford Advanced American Dictionary

sister-in-law

noun

(pl. sisters-in-law)

the sister of your husband or wife; your brother's wife; the wife of your husband or wife's brother compare brother-in-law

See sister-in-law in the Oxford Advanced Learner's Dictionary

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