'Boulevard' definitions:

Definition of 'boulevard'

From: WordNet
noun
A wide street or thoroughfare [syn: avenue, boulevard]

Definition of 'Boulevard'

From: GCIDE
  • Boulevard \Bou"le*vard`\, n. [F. boulevard, boulevart, fr. G. bollwerk. See Bulwark.] [1913 Webster]
  • 1. Originally, a bulwark or rampart of fortification or fortified town. [1913 Webster]
  • 2. A public walk or street occupying the site of demolished fortifications. Hence: A broad avenue in or around a city. [1913 Webster]

Synonyms of 'boulevard'

From: Moby Thesaurus