trisagion /tri-sagˈi-on/

1. An ancient hymn consisting of the words ‘O Holy God, holy and mighty, holy and immortal, have mercy on us’
2. Loosely, the Tersanctus

• walk the plank
• walk the streets
• walk the wards
• walk-through
• walk-throughs
• walk to heel
• walk-up
• walk-ups
• walkway
• walkways
• walk with
• Walkyrie
• walky-talkies
• walky-talky
• wall
• walla
• wallaba
• wallabas
• wallabies
• wallaby
• Wallace's line
• Wallachian
• wallah
• wallahs
• wallaroo