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

• feature films
• feature-length
• featureless
• featurely
• feature phone
• feature phones
• feature programme
• feature programmes
• features
• featurette
• featurettes
• featuring
• Feb.
• feblesse
• feblesses
• febricities
• febricity
• febricula
• febriculas
• febricule
• loiteringly
• loiterings
• loiters
• loke
• lokes