Trisagion

noun

Tris·​agion

trēˈsȧyȯn

plural Trisagia

-yȧ

1

: a hymn to or invocation of God as the thrice holy

the Trisagion of Isa 6:3

2

: a requiem service of the Eastern Church

Word History

Etymology

Middle Greek, from neuter of Late Greek trisagios thrice holy, from Greek tris- + hagios holy

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

• More than 250,000 words that aren't in our free dictionary
• Expanded definitions, etymologies, and usage notes
• Advanced search features
• Ad free!