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foster sister

a girl brought up with another child of different parents.
Origin of foster sister
First recorded in 1640-50 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for foster sister
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  • To follow my foster sister to the hacienda, without her seeing me.

    Stronghand Gustave Aimard
  • Andeng followed them, brandishing a spit and ran toward her foster sister.

  • After nearly two centuries, the gloomy prophecy of the foster sister of our ancestor Schanvoch has been verified.

    The Poniard's Hilt

    Eugne Sue
  • When he was quite certain that his foster sister had not returned, he presumed the truth—that she was lost in the forest.

    Stronghand Gustave Aimard
  • The young man who had thrown himself fully dressed upon the hammock, started up, and looked at his foster sister anxiously.

    Stronghand Gustave Aimard
  • Maria Clara, refusing to listen to the consolation of her aunt and foster sister, did nothing but weep.

  • Jessica Bright's radiant delight at beholding the face of her foster sister, Mabel Allison, can be better imagined than described.

  • And since he had lived with his foster sister Leon had perceptibly grown brighter and quicker.

    Ten Tales Franois Coppe
  • Then, does it not mean that the sparrows learn from their foster sister, the cuckoo, to say Cuckoo!

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