A pinion is the smallest gear in a gear drive train. Many people believe that the gear that is directly on a motor shaft is the pinion. This is just not true. This misconception may come from the fact that in many cases such as remote controlled toys the drive gear is also the smallest gear.
Example Usage of Pinion
LifeQuestChurch: Chris Pinion via twitter Don't miss today @lifequestchurch I am preaching on How to get a Miracle. For times &... http://bit.ly/6Ze7Xt
Shrabonti: Thanks @madmanweb, @gkjohn, @2shar and @cricketsnob for all help re: DNA article on e-Pinion.
33HotRod: Just walked through the garage and gave that Pinion nut the stink eye.
