pedometer
nounAn instrument that gauges the approximate distance traveled on foot by registering the number of steps taken.
nounAn instrument by which paces are numbered as a person walks, and the distance traveled is thus approximately recorded.
nounAn instrument for including the number of steps in walking, and so ascertaining the distance passed over. It is usually in the form of a watch; an oscillating weight by the motion of the body causes the index to advance a certain distance at each step.
nounA device, often
measuring instrument for recording the number of steps taken in walking