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sisters-in-law

Variant of sister-in-law

noun 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

Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.

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