clockworks

noun
  1. The internal mechanism of a clock, consisting of gears, springs, and other parts that work together to measure and display time.
  2. Usage: Usually used in plural form; Can refer to the mechanism of a single clock or multiple clocks
  3. Any complex system or mechanism with many precisely coordinated moving parts.
  4. Usage: Figurative use; Often used metaphorically to describe intricate systems

Examples