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Noun1.foster-son - someone who is raised as a son although not related by birth
foster child, foster-child, fosterling - a child who is raised by foster parents
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in classic literature ?
MESSENGER Well, thou mast then remember giving me A child to rear as my own foster-son?
So cleaning the house ahead of a social worker's visit, he's far from happy when he finds foster-son Kevin in his room with the vacuum cleaner running while listening to his mp3 player.
At the horse's head is George Eveleigh, his helpers being his foster-son Jack Wright (standing) and on the cart, William Down, who lived in Angus Street, Roath.