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cork oak

American  
[kawrk ohk] / ˈkɔrk ˌoʊk /

noun

  1. an evergreen oak tree, Quercus suber, found especially in the western Mediterranean region: commercially significant as the source of cork.


cork oak British  

noun

  1. Also called: cork tree.  an evergreen Mediterranean oak tree, Quercus suber, with a porous outer bark from which cork is obtained

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of cork oak

First recorded in 1870–75