Source : WordNet®

great white heron
     n 1: the common American egret; a variety of the Old World white
          egret Casmerodius albus [syn: {American egret}, {Egretta
          albus}]
     2: widely distributed Old World white egret [syn: {Casmerodius
        albus}]
     3: large white heron of Florida and the Florida Keys [syn: {Ardea
        occidentalis}]