fountainhead

Definitions of fountainhead
  1. noun
    the source of water from which a stream arises
    synonyms: head, headspring
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    type of:
    beginning, origin, root, rootage, source
    the place where something begins, where it springs into being
  2. noun
    an abundant source
    synonyms: well, wellspring
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    type of:
    source
    a document (or organization) from which information is obtained
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