Escapement
a device intervening between the power and the time-measurer in a clock or watch, to convert a continuous rotary into an oscillating isochronous movement. It is acted on by each. Clocks and watches are generally named according to the form of their escapement; as, chronometer, as, ESCHATOLOGY crown wheel, cylinder, deadbeat, detached, duplex , horizontal, and lever escapement, etc.
ESCHATOLOGY (es-ka-), in theology, the "doctrine respecting the last things things," which treats of the millennium, the second advent of Christ, the resurconflagration of the world, and the final state of the dead.