clock - a timepiece that shows the time of dayBig Ben - clock in the clock tower of the Houses of Parliament, London chronometer - an accurate clock (especially used in navigation) cuckoo clock - clock that announces the hours with a sound like the call of the cuckoo fusee, fusee drive - a spirally grooved spindle in a clock that counteracts the diminishing power of the uncoiling mainspring movement - the driving and regulating parts of a mechanism (as of a watch or clock); "it was an expensive watch with a diamond movement" time clock - clock used to record the hours that people work turret clock - a clock with more than one dial to show the time in all directions from a tower |