sprocket
sprock·et
noun \ˈsprä-kət\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)
See Origin of SPROCKET
origin unknown
First Known Use: 1886
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