From WordNet (r) 3.0 (2006):
pace
n 1: the rate of moving (especially walking or running) [syn:
pace, gait]
2: the distance covered by a step; "he stepped off ten paces
from the old tree and began to dig" [syn: footstep, pace,
step, stride]
3: the relative speed of progress or change; "he lived at a fast
pace"; "he works at a great rate"; "the pace of events
accelerated" [syn: pace, rate]
4: a step in walking or running [syn: pace, stride, tread]
5: the rate of some repeating event [syn: tempo, pace]
6: a unit of length equal to 3 feet; defined as 91.44
centimeters; originally taken to be the average length of a
stride [syn: yard, pace]
v 1: walk with slow or fast paces; "He paced up and down the
hall"
2: go at a pace; "The horse paced"
3: measure (distances) by pacing; "step off ten yards" [syn:
pace, step]
4: regulate or set the pace of; "Pace your efforts"