noun.
Any of various trees or shrubs of the genus Casuarina native to Australia, Southeast Asia, and neighboring islands, having jointed needlelike branchlets, scalelike whorled leaves, and small fruits grouped in woody conelike structures.
The Century Dictionary and Cyclopedia
noun.
A genus of peculiar plants, of Australia and adjacent islands, nearly related to the birches and oaks, and constituting the natural order Casuarinaceæ.
noun.
[lowercase] A plant of this genus.
the GNU version of the Collaborative International Dictionary of English
noun.
A genus of leafless trees or shrubs, with drooping branchlets of a rushlike appearance, mostly natives of Australia. Some of them are large, producing hard and heavy timber of excellent quality, called beefwood from its color.
noun.
Any of several trees, of the genus Casuarina, that have segmented stems; especially the ironwood and beefwood
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
any of various trees and shrubs of the genus Casuarina having jointed stems and whorls of scalelike leaves; some yield heavy hardwood
Word Usage
"A tree Sir Joseph Banks had classified as casuarina was found to yield very good shingle timber, but was located some distance away around the stream swamp, and excellent brick clay was discovered a mile inland."