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