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brother

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noun [countable] American English pronunciation: brother /ˈbrʌðər/ 
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singularbrother
pluralbrothers
  1. 1
    a boy or man who has the same parents as you

    My brother's name is Brian.

    Do you have any brothers and sisters?

    his younger/older/little brother

  2. 3
    a man who is connected to you in some way and who you have feelings of friendship toward

    All men are my brothers.

    We pray for all our brothers and sisters abroad.

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