Synonyms for Cinnamon Fern (same or very similar meaning)
WordNet sense 1 (New World fern having woolly cinnamon-colored spore-bearing fronds in early spring later surrounded by green fronds; the early uncurling fronds are edible):
fiddlehead, fiddlehead fern, Osmunda cinnamoneaFrom the ODE community, based on WordNetadd/edit