1. Delicate fern of the eastern United States having a twining stem and palmately-lobed sterile fronds and forked fertile fronds
   - creeping fern, Hartford fern

Type of: climbing fern

• Sium latifolium
• Sium sisarum
• Sium suave
• Siva
• Sivaism
• Sivan
• Sivapithecus
• Siwan
• six
• Six Nations
• six times
• Six-Day War
• six-footer
• six-gilled shark
• six-gun
• six-lined racerunner
• six-membered
• six-pointed
• six-shooter
• six-sided
• six-spot
• sixer
• sixfold
• sixpack
• sixpence