(1):

(n.) Specifically, the last book of the sacred canon, containing the prophecies of St. John; the Apocalypse.

(2):

(n.) The act of revealing, disclosing, or discovering to others what was before unknown to them.

(3):

(n.) That which is revealed.

(4):

(n.) The act of revealing divine truth.

(5):

(n.) That which is revealed by God to man; esp., the Bible.