- It means the Book of Revelation, written by St. John.This book tells us about heaven and the Lord's last advent.The nightly vigil of Bright Saturday is called "Apocalapsis." Special rituals are held then, where the Lord carries us through His death to His glory.
Dictionary of church terms. — St. GEORGE'S COPTIC ORTHODOX CHURCH SPORTING - ALEXANDRIA EGYPT. Fr. Tadros Yacoub Maiaty.