sister-in-law

a) A female relative of ones generation, separated by one degree of marriage:
b) Co-sister-in-law: The wife of ones sibling-in-law.

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  • sister-in-law — sister in ,law noun count 1. ) the sister of your husband or wife. The brother of your husband or wife is your brother in law. 2. ) the wife of your brother. The husband of your sister is your brother in law …   Usage of the words and phrases in modern English

  • sister-in-law — mid 15c.; see SISTER (Cf. sister) + IN LAW (Cf. in law) …   Etymology dictionary

  • Sister-in-law — Sis ter in law , n.; pl. {Sisters in law}. The sister of one s husband or wife; also, the wife of one s brother; sometimes, the wife of one s husband s or wife s brother. [1913 Webster] …   The Collaborative International Dictionary of English

  • sister-in-law — means (1) one s wife s or husband s sister, (2) one s brother s wife, (3) one s brother in law s wife. The plural is sisters in law …   Modern English usage

  • sister-in-law — ► NOUN (pl. sisters in law) 1) the sister of one s wife or husband. 2) the wife of one s brother or brother in law …   English terms dictionary

  • sister-in-law — sister in .law plural sisters in law n 1.) the sister of your husband or wife 2.) your brother s wife 3.) the wife of the brother of your husband or wife …   Dictionary of contemporary English

  • sister-in-law — [sis′tərin lô΄] n. pl. sisters in law 1. the sister of one s husband or wife 2. the wife of one s brother 3. the wife of the brother of one s husband or wife …   English World dictionary

  • Sister-in-law — A sister in law is one s brother s wife, or one s spouse s sister. One s spouse s brother s wife is also considered a sister in law. [ [http://www.m w.com/dictionary/sister in law Merriam Webster dictionary entry] ] [ [http://dictionary.reference …   Wikipedia

  • sister-in-law — UK / US noun [countable] Word forms sister in law : singular sister in law plural sisters in law 1) the sister of your husband or wife. The brother of your husband or wife is your brother in law. 2) the wife of your brother. The husband of your… …   English dictionary

  • sister-in-law — sisters in law N COUNT: oft poss N Someone s sister in law is the sister of their husband or wife, or the woman who is married to their brother …   English dictionary

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