foster son

noun

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

Word History and Origins

Origin of foster son¹

late Middle English word dating back to 1400–50

Example Sentences

Send thou to thy foster-son Harald, and bid him receive from thee the lands and fiefs which they had aforetime here in Denmark.

From Project Gutenberg

Then answered the King that it would be called of foul intent to betray his foster-son.

From Project Gutenberg

Moreover Harald Eirikson is my foster-son and hath sat on my knee.

From Project Gutenberg

There, too, was Thorhall Asgrim's son, and Njal's foster-son.

From Project Gutenberg

Torquil, whose eye never quitted his foster son, saw his emotion, and looked anxiously around to discover the cause.

From Project Gutenberg