Definition of sprocket wheel Sprocket wheel

We found 2 definitions of sprocket wheel from 2 different sources.

What does sprocket wheel mean?

Noun
sprocket wheel - thin wheel with teeth that engage with a chain
		sprocket
		wheel a simple machine consisting of a circular frame with spokes (or a solid disc) that can rotate on a shaft or axle (as in vehicles or other machines)

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sprocket wheel in sign language