Definition of tea tree
1 : any of various Australasian shrubs or small trees (genus Leptospermum) of the myrtle family that form dense thickets and have aromatic evergreen foliage
2 : any of various melaleucas (especially Melaleuca alternifolia) with aromatic leaves that yield an essential oil used especially as an antiseptic
Origin of tea tree
from the use of an infusion of their leaves as a beverage
First Known Use: 1790
Learn More about tea tree
Britannica.com: Encyclopedia article about "tea tree"
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