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male fern

noun

Definition of male fern

  1. :  a fern (Dryopteris filix-mas) producing an oleoresin used in expelling tapeworms

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First Known Use of male fern

1562

Medical Dictionary

male fern

noun

Medical Definition of male fern

  1. :  a fern (Dryopteris filix-mas) of Europe and North America producing an oleoresin that is used in expelling tapeworms—see aspidium

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male fern

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