sprocket
[sprok-it]
noun
Machinery.
- Also called chainwheel, sprocket wheel.a toothed wheel engaging with a conveyor or power chain.
- one tooth of such a wheel.
Carpentry. a wedge-shaped piece of wood extending a sloping roof over the eaves with a flatter pitch.
Origin of sprocket
First recorded in 1530–40; origin uncertain
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for sprocket
Historical Examples of sprocket
Be sure that there are four sprocket holes for each picture.
Motion Picture Operation, Stage Electrics and IllusionsHenry C. Horstmann
The parts to be turned are sprocket wheels which are held in the two 9-inch chucks.
Turning and BoringFranklin D. Jones
It was an internal-cut gear, according to Duryea's description, with sprocket teeth on its periphery.
An endless chain connects the sprockets on the carriage wheels to the sprocket wheels on the driving shaft.
Shortly after that hour I looked at the sledge-meter and found that it had ceased working; the sprocket had been knocked off.
The Home of the BlizzardDouglas Mawson
sprocket
noun
Word Origin for sprocket
C16: of unknown origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Online Etymology Dictionary, © 2010 Douglas Harper