Pedometer
Pronunciation : Pe*dom"e*ter
Part of Speech : n.
Etymology : [Pedi-, pedo- + -meter: cf. F. p?dom?tre.] (Mech.)
Definition : Defn: An 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.
Source : Webster's Unabridged Dictionary, 1913