sister-in-law
noun (plural sisters-in-law) Date: 15th century 1. the sister of one's spouse 2. a. the wife of one's brother b. the wife of one's spouse's brother

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • 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 — noun 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. See Also: brother in law, daughter in law, father in law, mother in law, son in law …   Wiktionary

  • sister-in-law —    This relationship term is rarely used vocatively, especially in modern times, though in the formal drawing room conversations of the eighteenth and nineteenth centuries it was perhaps more common. A special situation can bring about its use,… …   A dictionary of epithets and terms of address

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