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

• dickered
• dickering
• dickers
• dickey
• dickey bow
• dickeys
• dickhead
• dickheads
• dickie
• dickier
• dickies
• dickiest
• dicking
• dickings
• Dickin medal
• dicks
• Dicksonia
• dicktier
• dicktiest
• dickty
• dicky
• dicky-bird
• dicky-birds
• diclinism
• diclinisms