[ember day] n [ME, fr. OE ymbrendaeg, fr. ymbrene circuit, anniversary + daeg day] (bef. 12c): a Wednesday, Friday, or Saturday following the first Sunday in Lent, Whitsunday, September 14, or December 13 set apart for fasting and prayer in Western churches
EMBER DAY
Meaning of EMBER DAY in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012