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

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

• working memory
• working men
• working model
• working models
• working on all cylinders
• working-over
• working paper
• working papers
• working parties
• working party
• workings
• working week
• working weeks
• working woman
• work into
• workless
• work like a nigger
• workload
• workloads
• workman
• workmanlike
• workmanly
• workmanship
• yardland
• yard-long bean