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

• -blast
• blast
• blasted
• blastema
• blastemas
• blastemata
• blaster
• blasters
• blast-freezing
• blast furnace
• blast-furnaceman
• blast-furnacemen
• blast furnaces
• blast-hole
• blast-holes
• blasting
• blasting gelatine
• blastings
• blastment
• blastments
• blasto-
• blastocoel
• blastocoele
• blastocoeles
• blastocoels