林蔭大道
Boulevard \Bou"le*vard`\, n. [F. boulevard, boulevart, fr. G.
bollwerk. See {Bulwark}.]
1. Originally, a bulwark or rampart of fortification or
fortified town.
2. A public walk or street occupying the site of demolished
fortifications. Hence: A broad avenue in or around a city.
boulevard
n : a wide street or thoroughfare [syn: {avenue}]