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Definition of foster adjective from the Oxford Advanced Learner's Dictionary

foster

adjective
 
/ˈfɒstə(r)/
 
/ˈfɑːstər/
[only before noun]
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  1. used with some nouns in connection with the fostering of a child
    • a foster mother/father/family
    • foster parents
    • a foster child
    • a foster home
    • The children were placed in foster care.
    Word OriginOld English fōstrian ‘feed, nourish’, from fōster ‘food, nourishment’, of Germanic origin; related to food. The sense ‘bring up another's (originally also one's own) child’ dates from Middle English.
See foster in the Oxford Advanced American DictionarySee foster in the Oxford Learner's Dictionary of Academic English
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noun
 
 
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