1. genus of trees and shrubs widely naturalized in southern United States and West Indies; coextensive with the family Casuarinaceae and order Casuarinales;
WordNet (r) 3.0 (2006):
genus Casuarina
n 1: genus of trees and shrubs widely naturalized in southern
United States and West Indies; coextensive with the family
Casuarinaceae and order Casuarinales