detached-lever escapement

detached-lever escapement

[di¦tacht ¦lev·ər ə‚skāp·mənt]

(horology)

A watch escapement whose regulating device is given an impulse during only a small part of its operating cycle.

McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.