Definition of pace:
the rate of moving (especially walking or running)
the distance covered by a step; "he stepped off ten paces from the old tree and began to dig"
the relative speed of progress or change; "he lived at a fast pace"; "he works at a great rate"; "the pace of events accelerated"
a step in walking or running
the rate of some repeating event
a unit of length equal to 3 feet; defined as 91.44 centimeters; originally taken to be the average length of a stride
walk with slow or fast paces; "He paced up and down the hall"
go at a pace; "The horse paced"
measure (distances) by pacing; "step off ten yards"
regulate or set the pace of; "Pace your efforts"