(n) New World fern having woolly cinnamon-colored spore-bearing fronds in early spring later surrounded by green fronds; the early uncurling fronds are edible, Syn. fiddlehead, Osmunda cinnamonea, fiddlehead fern
(n) North American fern having tall erect pinnate fronds and a few sporogenous pinnae at or near the center of the fertile fronds, Syn. Osmunda clatonia