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- Dictionarycork oak
noun
- 1. an evergreen Mediterranean oak, the outer layer of the bark of which is the source of cork, which can be stripped without harming the tree.
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noun
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Quercus suber, commonly called the cork oak, is a medium-sized, evergreen oak tree in the section Quercus sect. Cerris. It is the primary source of cork for wine bottle stoppers and other uses, such as cork flooring and as the cores of cricket balls. It is native to southwest Europe and northwest Africa. In the Mediterranean basin the tree is an ancient species with fossil remnants dating back to ... Wikipedia