sprocket

2 ENTRIES FOUND:

sprock·et

noun \ˈsprä-kət\

: a wheel that has a row of teeth around its edge which fit into the holes of something (such as a bicycle chain or a piece of film) and cause it to turn when the wheel turns; also : any one of the teeth on such a wheel

Full Definition of SPROCKET

1
:  a toothed wheel whose teeth engage the links of a chain
2
:  a cylinder with teeth around the circumference at either end that project through perforations in something (as motion-picture film) to move it through a mechanism (as a projector)

Origin of SPROCKET

origin unknown
First Known Use: 1886

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