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

• souterly
• souterrain
• souterrains
• souters
• souter's clod
• south
• southabout
• South African
• South Africans
• southbound
• south-by-east
• south-by-west
• Southcottian
• Southdown
• south-east
• south-east-by-east
• south-east-by-south
• south-easter
• south-easterlies
• south-easterly
• south-eastern
• south-easters
• south-eastward
• south-eastwardly
• south-eastwards