sprocket

[ sprok-it ]
/ ˈsprɒk ɪt /

noun

Machinery.
  1. Also called chainwheel, sprocket wheel. a toothed wheel engaging with a conveyor or power chain.
  2. one tooth of such a wheel.
Carpentry. a wedge-shaped piece of wood extending a sloping roof over the eaves with a flatter pitch.

RELATED WORDS

Origin of sprocket

First recorded in 1530–40; origin uncertain
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for sprocket

British Dictionary definitions for sprocket

sprocket

/ (ˈsprɒkɪt) /

noun

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
an individual tooth on such a wheel
a cylindrical wheel with teeth on one or both rims for pulling film through a camera or projector
a small wedge-shaped piece of wood used to extend a roof over the eaves

Word Origin for sprocket

C16: of unknown origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012