triduum /tridˈū-əm or trīˈdū-/ (esp RC)

1. A space of three days
2. A period of prayer or religious celebration lasting three days

tridˈūan adjective

Lasting three days

• coralliform
• coralligenous
• coralline
• Coralline Crag
• Coralline Oolite
• corallines
• corallite
• corallites
• coralloid
• coralloidal
• corallum
• Coral Rag
• coral reef
• coral reefs
• coral-rock
• coral-rocks
• coralroot
• coralroots
• corals
• coral snake
• coral snakes
• coral spot
• coral tree
• coral trees
• coralwort