a fern of genus Aspidium (Aspidium Filixmas), found in medication as an anthelmintic, esp. from the tapeworm. Aspidium marginale in the usa, and Aspidium athamanticum in Southern Africa, are employed as good substitutes when it comes to male fern in health training. See Female fern, under Female.
Definition for "male fern"
A fern (Dryopteris filix-mas) having rhizomes and stalks…