pedometer[pē däm′ət ər, pi-]
pedometer 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.
an instrument carried by a walker, which measures approximately the distance covered in walking by recording the number of steps
Origin: French pédomètre ; from Classical Latin pes (gen. pedis), foot plush Classical Greek metron, measure
pedometer definition by American Heritage Dictionary
An instrument that gauges the approximate distance traveled on foot by registering the number of steps taken.