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  1. crown gall

    • n.
      a bacterial disease of plants, especially fruit bushes and trees, that is characterized by large tumour-like galls on the roots and lower trunk.;a large tumour-like gall caused by crown gall disease.
    • noun: crown gall, plural noun: crown galls

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    • IPA[kroun ɡôl]
    • n.
      a bacterial disease of plants, especially fruit bushes and trees, that is characterized by ...

    Oxford American Dictionary