English▸ noun
1 (also cajuput oil) an aromatic medicinal oil that is similar to eucalyptus oil, obtained from a tree of the myrtle family.
2 a chiefly Australasian tree related to the bottlebrushes, having papery bark and yielding this aromatic oil. Also called paperbark.
– ORIGIN late 18th century : from Malay kayu putih, literally ‘white tree’.