sprocket

Noun
  1. Roller that has teeth on the rims to pull film or paper through (synset 104296965)
    is a type of: roller - a cylinder that revolves
    is a part of: camera, photographic camera - equipment for taking photographs (usually consisting of a lightproof box with a lens at one end and light-sensitive film at the other)
  2. Thin wheel with teeth that engage with a chain (synset 104296828)
    is a 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)
    is a part of: bicycle, bike, cycle, wheel - a wheeled vehicle that has two wheels and is moved by foot pedals
    same as: sprocket wheel
  3. Tooth on the rim of gear wheel (synset 103068939)
    is a type of: tooth - something resembling the tooth of an animal
    is a part of: cogwheel, gear, gear wheel, geared wheel - a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion
    same as: cog

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