sprocket

/ˈsprɑkət/

/ˈsprɒkɪt/

Other forms: sprockets

Definitions of sprocket

1. noun

   tooth on the rim of gear wheel
   synonyms: cog

   type of:

   tooth

   something resembling the tooth of an animal
2. noun

   thin wheel with teeth that engage with a chain
   synonyms: sprocket wheel

   type of:

   wheel

   a simple machine consisting of a circular frame with spokes (or a solid disc) that can rotate on a shaft or axle (as in vehicles or other machines)
3. noun

   roller that has teeth on the rims to pull film or paper through
   type of:

   roller

   a cylinder that revolves