1 tan oak | Definition of tan oak

tan oak

noun

Definition of tan oak

: a U.S. Pacific coast evergreen tree (Lithocarpus densiflora) of the beech family that has erect staminate catkins and furrowed brown bark rich in tannins

First Known Use of tan oak

circa 1925, in the meaning defined above

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Rhyming Dictionary: Words that rhyme with tan oak