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

• voluntarist
• voluntaristic
• voluntarists
• voluntary
• voluntary-aided school
• voluntary-aided schools
• voluntary chain
• voluntary chains
• voluntary-controlled school
• voluntary-controlled schools
• voluntaryism
• voluntaryisms
• voluntaryist
• voluntaryists
• voluntary muscle
• voluntary muscles
• voluntary retailers
• voluntary school
• voluntary schools
• voluntary sector
• voluntary sectors
• Voluntary Service Overseas
• voluntative
• volunteer
• volunteered