/ Thesaurus / C Synonyms of casuarina Find synonyms for: Noun1. casuarina, treeusage: any of various trees and shrubs of the genus Casuarina having jointed stems and whorls of scalelike leaves; some yield heavy hardwoodWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: reticent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language