male fernmale fern
a fern (Dryopteris filix-mas) of the Northern Hemisphere: source of an oleoresin used to expel tapeworms
A fern (Dryopteris filix-mas) of Eurasia and North America, having stalks with brown scales and containing an oleoresin formerly used to expel tapeworms.
Origin of male fernUltimately from a translation of Latin mas, male (used by Pliny the Elder to describe a variety of this fern, in reference to its robustness and in contrast to a more delicate fern that he calls nymphaea filix, literally, nymph fern).
(plural male ferns)
- Dryopteris filix-mas, from which is derived a vermifuge preparation.