casuarina, n. [NL., supposed to be named from the resemblance of the twigs to the feathers of the cassowary, of the genus Casuarius.].
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. [1913 Webster]