a system of spur gears.
any system of gears with parallel axes of rotation.
Origin of spur gearing
First recorded in 1835–45
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for spur gearing
Spur-gearing transmitted the driving power from the crank shaft to the axle.
The motion of the crank-shafts was communicated to the separate axles of the driving-wheels by spur-gearing with two speeds.