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

• pleonexia
• pleonexias
• pleons
• pleopod
• pleopods
• pleroma
• pleromas
• pleromatic
• plerome
• pleromes
• plerophoria
• plerophories
• plerophory
• plesh
• pleshes
• plesiosaur
• plesiosaurian
• plesiosaurs
• plessimeter
• plessimeters
• plessimetric
• plessimetries
• plessimetry
• plessor
• plessors