Dictionary
Thesaurus
Encyclopedia
Translator
Web

sprocket

 - 3 dictionary results

sprock⋅et

[sprok-it]
–noun
1. Machinery.
a. Also called chainwheel, sprocket wheel. a toothed wheel engaging with a conveyor or power chain.
b. one tooth of such a wheel.
2. Carpentry. a wedge-shaped piece of wood extending a sloping roof over the eaves with a flatter pitch.

Origin:
1530–40; orig. uncert.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To sprocket
sprock·et   (sprŏk'ĭt)   
n.  
  1. Any of various toothlike projections arranged on a wheel rim to engage the links of a chain.

  2. A cylinder with a toothed rim that engages in the perforations of photographic or movie film to pull it through a camera or projector.


[Origin unknown.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Word Origin & History

sprocket 
1536, originally a carpenters' word for a piece of timber used in framing, of unknown origin. The meaning "projection from the rim of a wheel that engages the links of a chain" is first recorded 1750.
Online Etymology Dictionary, © 2001 Douglas Harper
Cite This Source
Search another word or see sprocket on Thesaurus | Reference
FacebookTwitterFollow us: