Merriam-Webster Online Dictionary
plaza (noun)1.
a) a public square in a city or town
b) an open area usually located near urban buildings and often featuring walkways, trees and shrubs, places to sit, and sometimes shops
2.
a place on a thoroughfare (as a turnpike) at which all traffic must temporarily stop (as to pay tolls)
3.
an area adjacent to an expressway which has service facilities (as a restaurant, gas station, and restrooms)
4.
- shopping center