from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A mechanism of geared wheels driven by a wound spring, as in a mechanical clock.
- idiom like clockwork With machinelike regularity and precision; perfectly: The project proceeded like clockwork.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A mechanism powered by a coiled spring and regulated by some form of escapement; the power is transmitted through toothed gearwheels and used to drive a mechanical clock, toy, or other device.
from the GNU version of the Collaborative International Dictionary of English
- n. The machinery of a clock, or machinery resembling that of a clock; machinery which produces regularity of movement.
from The Century Dictionary and Cyclopedia
- n. The machinery and movements of a clock; any complex mechanism of wheels producing regularity or precision of movement.
- n. Figuratively, any regulated system by which work is performed steadily and without confusion, as if by machinery.
- Marked by machine-like regularity of operation: as, a clockwork system; clockwork movements.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. any mechanism of geared wheels that is driven by a coiled spring; resembles the works of a mechanical clock
clock + work (Wiktionary)