Sprocket

//ˈspɹɒkɪt// noun

noun ·Uncommon ·Advanced level

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.
Show 2 more definitions
  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."

Synonyms

All synonyms
cogsprocket wheelchainringcogcombcrag

Example

More examples

"Do you know what a sprocket is?"

Etymology

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

Related phrases

sprocket wheel

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.