labarum /labˈə-rəm/

1. Orig a Roman military standard, the imperial standard after Constantine's conversion, with a monogram of the Greek letters XP (ChR), for Christ
2. A similar ecclesiastical banner carried in processions
3. Any moral standard or guide

• retroacted
• retroacting
• retroaction
• retroactions
• retroactive
• retroactive inhibition
• retroactive interference
• retroactively
• retroactivities
• retroactivity
• retroacts
• retrobulbar
• retrocede
• retroceded
• retrocedent
• retrocedes
• retroceding
• retrocession
• retrocessionaire
• retrocessions
• retrocessive
• retrochoir
• retrochoirs
• retrocognition
• retrocognitions