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English definition of “oak”

oak

noun [C or U]     /əʊk/ US  /oʊk/
B2 a large tree that is common in northern countries, or the hard wood of this tree: a mighty oak The timbers of those old sailing ships were mainly oak. an oak table/cupboardTypes of woodDeciduous trees
(Definition of oak noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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