(in the Church of England) a penitential office read on Ash Wednesday in which God's anger and judgments are proclaimed against sinners.
Origin: 1400–50; late Middle English (< Anglo-French ) < Latin comminātiōn- (stem of comminātīo), equivalent to commināt(us), past participle of comminārī to threaten (com-com- + minārī to threaten) + -iōn--ion