synchromesh[siŋ′krə mes̸h′, sin′-]
synchromesh definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a device in a transmission system that automatically brings the gears to be meshed to about the same speed of rotation before a shift occurs
Origin: synchro- plush mesh
synchromesh definition by American Heritage Dictionary
- An automotive gear-shifting system in which the gears are synchronized at the same speeds before engaging to effect a smooth shift.
- A gear in such a system.