clockwork

[ klok-wurk ]
/ ˈklɒkˌwɜrk /

noun

the mechanism of a clock.
any mechanism similar to that of a clock.

Idioms

    like clockwork, with perfect regularity or precision: The launching of the spacecraft went off like clockwork.

Origin of clockwork

First recorded in 1620–30; clock1 + work
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for clockwork

British Dictionary definitions for clockwork

clockwork

/ (ˈklɒkˌwɜːk) /

noun

the mechanism of a clock
any similar mechanism, as in a wind-up toy
like clockwork with complete regularity and precision
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012