from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of a group of ferns of the genus Matteuccia, especially M. struthiopteris, of northern temperate regions, having long plumelike fronds that form a crown.
from the GNU version of the Collaborative International Dictionary of English
- n. a kind of fern (Onoclea Struthiopteris), the tall fronds of which grow in a circle from the rootstock. It is found in alluvial soil in Europe and North America.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. tall fern of northern temperate regions having graceful arched fronds and sporophylls resembling ostrich plumes
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