Sprocket

//ˈspɹɒkɪt// noun

Definitions

Noun
  1. 1
    A toothed wheel that enmeshes with a chain or other perforated band.
  2. 2
    tooth on the rim of gear wheel wordnet
  3. 3
    The tooth of such a wheel. plural-normally
  4. 4
    thin wheel with teeth that engage with a chain wordnet
  5. 5
    A flared extension at the base of a sloped roof.
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  1. 6
    roller that has teeth on the rims to pull film or paper through wordnet
  2. 7
    A placeholder name for an unnamed, unspecified, or hypothetical manufactured good or product.

    "Suppose we have a widget factory that produces 100 widgets per year, and a sprocket factory that produces 200 sprockets per year."

Etymology

Unknown. First attested in the 16th century. Perhaps related to Italian rocchetto (“spool”), spoletta (“spool”), sprone (“spur”), or English spoke, spike, spur.

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