sprocket

[ sprok-it ]

noun

1. Machinery.
   1. Also called chainwheel,. 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.

sprocket

/ ˈsprɒkɪt /

noun

1. Also calledsprocket 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

Word History and Origins

Origin of sprocket¹

First recorded in 1530–40; origin uncertain

Word History and Origins

Origin of sprocket¹

C16: of unknown origin

Example Sentences

While I could still slide the motor and motor bracket around, I put the chain over both the sprocket and the motor.

From Popular-Science

If your batteries don’t have enough energy to move the sprockets fast enough for playback, they certainly won’t be able to skip songs quickly.

From Popular-Science

Shortly after that hour I looked at the sledge-meter and found that it had ceased working; the sprocket had been knocked off.

From Project Gutenberg

Can my invention be made to do better work by putting in gears in place of that sprocket chain?

From Project Gutenberg

I tell Polly that Four Oaks is a sprocket-wheel for maids, with two links of an endless chain always on top.

From Project Gutenberg

When the chain has been pulled through it may be hooked and adjusted to lower sprocket, and tightened up by screws at top.

From Project Gutenberg

The net handle must have broken, and a piece of it has become wedged in the sprocket chain that operates the propeller.

From Project Gutenberg