pacer
pay ser
- n a horse used to set the pace in racing
- n a horse trained to a special gait in which both feet on one side leave the ground together
- The major difference is that the Rochester pressure pacer uses no electrodes in the heart, but relies on its own battery pack, which can be recharged from outside the skin.
- The fastest pacer ever to pull a sulky, Niatross holds world records for both the racing mile and a mile in a time trial.
- The motorist need only follow the pacer light by about a car length; theoretically he will then reach the freeway in time to swing into the space allotted him.