pace car

pace car  (ps)

n.

A usually high-performance automobile that leads a group of competing cars through the pace lap of a race but does not participate in the race.

Thesaurus

Noun

1.

pace car - a high-performance car that leads a parade of competing cars through the pace lap and then pulls off the course auto racing, car racing - the sport of racing automobiles auto, automobile, car, motorcar, machine - a motor vehicle with four wheels; usually propelled by an internal combustion engine; "he needs a car to get to work"