Ember-days

Ember-weeks, (ěm'br-dāz.) [Perhaps abbrev. from Quatember-quatuor tempora, the four times.) (Eccl.) Particular days of prayer, fasting, and humiliation observed in the Roman Catholic Church during 4 weeks-one for each season of the year; viz. the 1st week in Lent, the week after Whit sun tide, the 14th of Sept. (Holy Cro Day), and St. Lucy's day, the 13th Dec. [s. 327]