traceur Syllabification: (tra·ceur)Pronunciation: /ˈtrāsər, träˈsər/Definition of traceur noun a person who takes part in the activity of parkour or free running: railings, walls, stairs, benches, and concrete structures are all there to be conquered, say the traceursOrigin: early 21st century: French, literally 'tracer'traceur in other Oxford dictionaries Definition of traceur in the British & World English dictionary