spur gear

noun Machinery.

a gear having straight teeth cut on the rim parallel to the axis of rotation.

Origin of spur gear

First recorded in 1815–25

Also called spur wheel.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for spur gear

Historical Examples of spur gear

It will be seen that the sixteen cams are forged integrally with the shaft and that it is spur-gear driven.
Aviation Engines
Victor Wilfred Pag

British Dictionary definitions for spur gear

spur gear

spur wheel

noun

a gear having involuted teeth either straight or helically cut on a cylindrical surface. Two such gears are used to transmit power between parallel shafts

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