What’s a flâneur?

flâ-neur (flä-nûr’) n. 1. From the French verb flâner which means to stroll; a term popularized by Charles Baudelaire and other less well-remembered French writers of the 19^th century; “A gentleman stroller of city streets.” 2. An aimless wanderer. 3. Someone whose mind and senses are only stimulated by improvised rambles around the world.