Definition of casuarina
: any of a genus (Casuarina of the family Casuarinaceae) of dicotyledonous chiefly Australian trees which have whorls of scalelike leaves and jointed stems resembling horsetails and some of which yield a heavy hard wood
Origin and Etymology of casuarina
New Latin, genus name, from Malay (pohon) kĕsuari, literally, cassowary tree; from the resemblance of its twigs to cassowary feathers
First Known Use: 1777
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