a tree, Melaleuca leucadendron, of the myrtle family, native to Australia and New Guinea, having papery bark and yielding a greenish, aromatic oil (cajeput oil) used in medicine and perfumes.
Main Entry: caj·e·put Variant: alsocaj·u·put/'kaj-&-p&t, -"put/ Function: noun : an Australian andsoutheast Asian tree (Melaleuca quinquenervia syn. M. leucadendron) of the myrtle family (Myrtaceae) that yields a pungent medicinal oil and has been introduced into Florida called alsopaperbark