Palladium /pə-lāˈdi-əm/

1. A statue of Pallas, on whose preservation the safety of Troy depended
2. Anything of similar virtue
3. (without cap; pl pallāˈdia) a safeguard

• black papers
• black pepper
• blackpoll
• blackpolls
• Black Pope
• black powder
• Black Power
• black pudding
• black puddings
• black quahog
• black-quarter
• black rat
• black rats
• black rhinoceros
• black rhinoceroses
• black robin
• black robins
• Black Rod
• black rot
• Black Russian
• blacks
• black salsify
• black sheep
• Black Shirt
• Blackshirt