Definition of "Pace" :

noun: a step in walking or running

noun: the relative speed of progress or change

"He lived at a fast pace."

noun: a unit of length equal to 3 feet; defined as 91.44 centimeters; originally taken to be the average length of a stride

noun: the distance covered by a step

"He stepped off ten paces from the old tree and began to dig."

noun: the rate of moving (especially walking or running)

noun: the rate of some repeating event

verb: measure (distances) by pacing

verb: regulate or set the pace of

"Pace your efforts."

verb: walk with slow or fast paces

"He paced up and down the hall."

verb: go at a pace

"The horse paced."