n. System of doctrines concerning final matters, such as death.
n. The study of the end times — the end of the world, notably in Christian theology the second coming of Christ, the Apocalypse or the Last Judgment.
the GNU version of the Collaborative International Dictionary of English
n. The doctrine of the last or final things, as death, judgment, and the events therewith connected.
The Century Dictionary and Cyclopedia
n. In theology, the doctrine of the last or of final things; that branch of theology which treats of the end of the world and man's condition or state after death.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the branch of theology that is concerned with such final things as death and Last Judgment; Heaven and Hell; the ultimate destiny of humankind
Word Usage
"The study of last things is called eschatology from the Greek word eschatos, meaning "the last or extreme.""