source - definition in the American English Dictionary - Cambridge Dictionaries Online

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source

noun [C]  us   /sɔrs, soʊrs/
something or someone that causes or produces something, or is the origin of it: a source of energy/light Spinach is a good source of vitamins. His wife was a constant source of inspiration to him. A source is also someone or something from which you obtain information: The reporter refused to cite the names of her sources.

source

verb [T]  /sɔrs, soʊrs/
to get something from a particular place: Where possible the produce used in our restaurant is sourced locally.
(Definition of source from the Cambridge Academic Content Dictionary © Cambridge University Press)
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