from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A fern (Dryopteris filix-mas) having rhizomes and stalks that yield an oleoresin used to expel tapeworms.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any fern in the Dryopteris genus.
from the GNU version of the Collaborative International Dictionary of English
- adj. a fern of the genus Aspidium (Aspidium Filixmas), used in medicine as an anthelmintic, esp. against the tapeworm. Aspidium marginale in America, and Aspidium athamanticum in South Africa, are used as good substitutes for the male fern in medical practice. See Female fern, under Female.
- n. A fern of North America and Europe (Dryopteris filix-mas) whose rhizomes and stalks yield an oleoresin used to expel tapeworms. It is a member of the woodfern genus.
from The Century Dictionary and Cyclopedia
- n. An elegant fern, Aspidium Filix-mas (Nephrodium Filix-mas of Richard; Lastrea Filix-mas of Presl), with the fronds growing in a crown, found in North and South America, Europe, Asia, and Africa.
- n. See cut under fern.
- n. The dried rhizome of Dry-opteris Filix-mas of Schott, or of Dryopteris marginalis of Gray, used as an anthelmintic.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. fern of North America and Europe whose rhizomes and stalks yield an oleoresin used to expel tapeworms
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