Definition of pit stops:
(n) :
(informal) A brief stop for fuel, rest or refreshment during an automobile journey.
(n) :
(informal) A stop during any pedestrian or automobile travel for any utilitarian personal purpose, especially use of a bathroom.
(n) :
(informal) A place that offers food, beverages, and other goods and services for those stopping on an automobile journey.
(n) :
(motor racing) A stop made during an automobile race at the pit to refuel and perform other periodic maintenance on the vehicle.
(n) :
(informal, figuratively) A utilitarian stop on a figurative journey.