Dictionary
clock•work
Pronunciation: (klok'wûrk"), [key]—
n.
1. the mechanism of a clock.
2. any mechanism similar to that of a clock.
3. like clockwork, with perfect regularity or precision:
The launching of the spacecraft went off like clockwork. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.