sprocket

American  

[sprok-it] / ˈsprɒk ɪt /

noun

1. Machinery.

   1. Also called chainwheel.  Also called sprocket wheel.  a toothed wheel engaging with a conveyor or power chain.

   2. 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.

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sprocket British  

/ ˈsprɒkɪt /

noun

1. Also called: sprocket wheel.  a relatively thin wheel having teeth projecting radially from the rim, esp one that drives or is driven by a chain

2. an individual tooth on such a wheel

3. a cylindrical wheel with teeth on one or both rims for pulling film through a camera or projector

4. a small wedge-shaped piece of wood used to extend a roof over the eaves

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Etymology

Origin of sprocket

First recorded in 1530–40; origin uncertain

Example Sentences

Once we are into the new year, the sprocket wheel of general election fever will crank around a few notches.

From BBC

May 2: Tesla stockholders are dismayed when CEO Elon Musk announces he is changing his name to Spacely and that his company will stop manufacturing electric cars in favor of sprockets.

From Washington Post

Over in a dilapidated shack on the opposite side of the highway, 24-year-old Nasratullah Raihan said much the same as he watched a repairman fiddle with the rear sprocket of his bicycle.

From Los Angeles Times

And I didn’t go home as a junior mechanic assistant thinking, “Why didn’t I use the sprocket wrench?”

From Los Angeles Times

She began by asking through social media for donations to buy a new $65 sprocket to repair the bicycle used by Trayvon Bailey, 38.

From Washington Times