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

• watch in
• watching
• watching brief
• watching briefs
• watch it
• watch key
• watch keys
• watch light
• watch lights
• watch like a hawk
• watch list
• watchmaker
• watchmakers
• watchmaking
• watchmakings
• watchman
• watchman's clock
• watchmen
• watch night
• waterinesses
• watering
• watering-call
• watering-calls
• watering can
• watering cans