1. New World fern having woolly cinnamon-coloured spore-bearing fronds in early spring later surrounded by green fronds; the early uncurling fronds are edible
   - cinnamon fern, fiddlehead, fiddlehead fern

Type of: flowering fern, osmund

• sluicing
• slum
• slum area
• slumber
• slumber party
• slumberer
• slumberous
• slumbery
• slumbrous
• slumgullion
• slumlord
• slummy
• slump
• slur
• slur over
• slurp
• slurred
• slurry
• slush
• slush around
• slush fund
• slushy
• slut
• sluttish
• sluttishness