silphium /silˈfi-əm/

1. A plant (perh the umbelliferous Ferula tingitana) imported from Cyrenaica by the Greeks for use as a food and in medicine (historical)
2. (cap) a genus of American composites, compass plants

• cat's-foot
• cat-silver
• catskin
• catskins
• cat's-meat
• cat's-paw
• cat's-paws
• cat's-tail
• cat's-tails
• CAT standard
• cat-stick
• catsuit
• catsuits
• catsup
• catsups
• cat's-whisker
• cattabu
• cattabus
• cattalo
• cattaloes
• cattalos
• catted
• catted and fished
• catteries
• cattery