What is another word for fusee drive?
Pronunciation: [fjˈuːsiː dɹˈa͡ɪv] (IPA) 
A fusee drive is a mechanism used in watches and clocks to regulate their movement. It consists of a cone-shaped wheel that is mounted on the clock's backplate. The fusee drive works by using a chain that is wrapped around the cone-shaped wheel. Depending on the length of the chain, the cone-shaped wheel moves faster or slower, which ultimately affects the movement of the clock's hands. There are a few synonyms for the word "fusee drive," including "chain drive," "fusee mechanism," and "barrel and chain." All these terms refer to the same mechanism that controls the timekeeping accuracy of watches and clocks.
