noun
a household in which an orphaned or delinquent child is placed (usually by a social-service agency) (Freq. 1)
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noun : a household in which an orphaned, neglected, or delinquent child or a person mentally ill is placed for care usually with the approval of the government or of a social-service agency
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a household in which a child is raised by someone other than its natural or adoptive parent.
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foster home,
a home in which one or more foster children are placed or brought up.
Useful english dictionary. 2012.