red gum

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Any of several eucalpytus trees, especially the widely planted species Eucalyptus camaldulensis, having smooth bark that peels off in strips, reddish wood, and lance-shaped, aromatic leaves.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun an eucalyptus tree with red wood, found in Australia.
• noun a tree of the hazel family, found in North America.

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

• noun reddish-brown wood and lumber from heartwood of the sweet gum tree used to make furniture
• noun very large red gum tree
• noun red gum tree of Tasmania
• noun a North American tree of the genus Liquidambar having prickly spherical fruit clusters and fragrant sap
• noun reddish-brown dried gummy exudation from any of several trees of the genus Eucalyptus especially Eucalyptus camaldulensis