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

See Words from the same year
NEW! Time Traveler

Medical Dictionary

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

Seen and Heard

What made you want to look up male fern? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

having an air of easy unconcern

Get Word of the Day daily email!

Test Your Vocabulary

The Eponym Quiz

  • rubens-painting
  • Which is the best synonym of bowdlerize?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!