An electronic parking meter.
parking meter 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 coin-operated timing device installed near a parking space: drivers pay to park in the space for a certain length of time by inserting coins into the meter
parking meter definition by American Heritage Dictionary
A device that registers the amount of time purchased for the parking of a motor vehicle, at the expiration of which the driver is liable for a fine.