Emily Dickinson Lexicon

REV-E-LA'TION, n. [Fr. from L. revelatus, revelo. See Reveal.]

1. The act of disclosing or discovering to others what was before unknown to them; appropriately, the disclosure or communication of truth to men by God himself, or by his authorized agents, the prophets and apostles. How that by revelation he made known to me the mystery, as I wrote before in few words. – Eph. iii. 2 Cor. xii.
2. That which is revealed; appropriately, the sacred truths which God has communicated to man for his instruction and direction. The revelations of God are contained in the Old and New Testament.
3. The Apocalypse; the last book of the sacred canon, containing the prophecies of St. John.