tea tree(redirected from ti trees)
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Related to ti trees: tea trees
1. A melaleuca tree (Melaleuca alternifolia) of Australia whose leaves yield an oil used in cosmetics and for medicinal purposes.
2. Any of various evergreen shrubs or small trees of the genus Leptospermum, native to Southeast Asia and Australasia, having showy flowers and small needlelike leaves formerly used to make a tealike beverage.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.