Meaning of Feast of Orthodoxy

Feast' of Or'thodoxy

Pronunciation: [key]
— Eastern Ch. Eastern Ch.
  1. a solemn festival held on the first Sunday of Lentcommemorating the restoration of the use of icons in the church (a.d. 842) and the triumph over all heresies.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.