reverse gear

Noun

 * 1) A gear in a vehicle transmission which, when selected, makes the vehicle to move in the direction the driver has the back.
 * 2) A gear fitted to a machine which allows it to run in the opposite direction to normal.
 * 1) A gear fitted to a machine which allows it to run in the opposite direction to normal.
 * 1) A gear fitted to a machine which allows it to run in the opposite direction to normal.