Parkour is the sport of moving quickly over walls, benches, and anything else in the way using leaping, climbing and running in a smooth, graceful way.(noun)
An example of parkour is how a criminal runs through a park and clears tables, walls and other structures with ease in an action movie chase scene.
See parkour in American Heritage Dictionary 4
Origin: , from respelling of parcours, distance covered, course
Origin: , from Old French, right to drive or pasture animals in an area, route
Origin: , from Medieval Latin percursus
Origin: , from past participle of Latin percurrere, to run through, rove; see percurrent.