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foster son

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noun
  1. a boy raised like one's own son, though not such by birth or adoption.

Origin of foster son

late Middle English word dating back to 1400–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for foster son

Historical Examples

  • "I am Paris, the foster-son of Agelaus the herdsman," he answered.

    Children of the Dawn

    Elsie Finnimore Buckley

  • Then it was not your foster-son's admiration of Cicero that caused his death?

  • If he does not teach him his handicraft, that foster-son may return to the house of his father.

    Archology and the Bible

    George A. Barton

  • Heidreker was afterwards in Russia, and the son of the king was his foster-son.

    The Fairy Mythology

    Thomas Keightley

  • Biorn's foster-son is worth speaking about; what have you done with him?

    The Vinland Champions

    Ottilie A. Liljencrantz