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male fern

noun

Definition of male fern

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

First Known Use of male fern

1562, in the meaning defined above

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The first known use of male fern was in 1562

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More Definitions for male fern

male fern

noun

Medical Definition of male fern

: 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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