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

And, since then, they have kept in touch with many of the young people they have helped, including one foster son who's now aged 54.

From BBC

They said West had previously faced charges of molesting his foster son, and that the district’s officials knew, or should have known, that West posed a threat to students.

From Los Angeles Times

Then tragedy struck her life as well when her 16-year-old foster son died suddenly from a heart condition.

From Washington Times

Poe had another argument over money with Allan, who removed his foster son from his will.

From Washington Post

The charges came after the couple was originally charged with aggravated torture of their foster son Kayima John earlier this month.

From Washington Times