from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A tall timber tree (Eucalyptus globulus) of Australia, having smooth, bluish deciduous bark and lance-shaped aromatic leaves.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A gum tree of the species Eucalyptus globulus or any of a number of other species of Eucalyptus in Australia.
  • n. A forest red gum.
  • n. A person of sub-Saharan African origin, alluding to the blue coloring around their gumline

from the GNU version of the Collaborative International Dictionary of English

  • adj. an Australian myrtaceous tree (Eucalyptus globulus), of the loftiest proportions, now cultivated in tropical and warm temperate regions for its timber, and as a protection against malaria. The essential oil is beginning to be used in medicine. The timber is very useful. See Eucalyptus.
  • n.

from The Century Dictionary and Cyclopedia

  • n. In pathology, a blue coloration of the free edge of the gums, frequent in cases of lead-poisoning.
  • n. The blue-gum tree.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. tall fast-growing timber tree with leaves containing a medicinal oil; young leaves are bluish


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