foster sister ExamplesWord Origin noun
- a girl brought up with another child of different parents.
Origin of foster sister First recorded in 1640–50 Examples from the Web for foster sister Historical Examples of foster sister
For the moment Dan forgot his complaint in the tender thought of his foster-sister.
Latta Griswold
She drew her foster-sister away from Lennon with a grasp as resolute as it was gentle.
Robert Ames Bennet
Yet she was no less mystified than Lennon by her foster-sister’s manner.
Robert Ames Bennet
Elsie struggled free from Lennon to fling her arms about her foster-sister.
Robert Ames Bennet
Carmena checked her indignant protest and gazed down at her foster-sister.
Robert Ames Bennet