WordNet (r) 3.0 (2006):
great white heron n 1: a common egret of the genus Egretta found in America; it is a variety of the Old World white egret Casmerodius albus [syn: American egret, great white heron, Egretta albus] 2: widely distributed Old World white egret [syn: great white heron, Casmerodius albus] 3: large white heron of Florida and the Florida Keys [syn: great white heron, Ardea occidentalis]