A public square or intersection where multiple roads meet, particularly one that's a gathering place or marketplace.
From Old French 'carrefour', combining 'carre' (four) and 'four' (road), literally meaning 'four roads'. It describes intersections where traffic converges.
Carrefours were the ancient meeting points of civilization—where merchants gathered, news spread, and cultures mixed—and the word shows how medieval towns were organized around the geometry of crossing roads.
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