# sprocket

> English word · Noun · IPA /ˈspɹɒkɪt/ · frequency rank #47,922

## Definitions
1. A toothed wheel that enmeshes with a chain or other perforated band.
2. The tooth of such a wheel.
3. A flared extension at the base of a sloped roof.
4. A placeholder name for an unnamed, unspecified, or hypothetical manufactured good or product.

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

## Easily confused with
- **socket** (https://plainspell.com/en/vs/socket-vs-sprocket)
- **skyrocket** (https://plainspell.com/en/vs/skyrocket-vs-sprocket)

## Common misspellings (13)
`psrocket`, `sporcket`, `spprocket`, `sprcoket`, `sproccket`, `sprocekt`, `sprockett`, `sprockket`, `sprockte`, `sprokcet`, `sprrocket`, `srpocket`, `ssprocket`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/sprocket