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The famous Champs-Élysées is a beautiful boulevard in Paris.
a wide, usually tree-lined street in a city
A wide, usually tree-lined street in a city, often with a median or central reservation.
The city's main boulevard was lined with cafes and shops.
a wide street in a city, often with trees and a central reservation
From French boulevard, from Dutch bolwerk 'rampart', referring to the wide streets created on former city walls.