clockwork

1 ENTRIES FOUND:
clockwork /ˈklɑːkˌwɚk/ noun
clockwork
/ˈklɑːkˌwɚk/
noun
Britannica Dictionary definition of CLOCKWORK
[noncount]
1 
: the system of moving wheels inside something (such as a clock or an old-fashioned toy) that makes its parts move
2 
— used to describe something that happens or works in a very regular and exact way
— often used before another noun