noun (n)

• a public square with room for pedestrians(noun.location)

  Example:
  They met at Elm Plaza.
  

  Synonym:
  piazza, place
  

  source: wordnet30
• mercantile establishment consisting of a carefully landscaped complex of shops representing leading merchandisers; usually includes restaurants and a convenient parking area; a modern version of the traditional marketplace(noun.artifact)

  Example:
  A good plaza should have a movie house.
  

  Synonym:
  center, mall, shopping center, shopping centre, shopping mall
  

  source: wordnet30
• A public square in a city or town.(noun)

  source: webster1913