silky oak
ˈsɪlki oʊk
WordNet
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(n)
silky oak
medium to tall fast-growing tree with orange flowers and feathery bipinnate leaves silky-hairy beneath; eastern Australia
Webster's Revised Unabridged Dictionary
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Silky oak
(Bot) a lofty Australian tree (Grevillea robusta) with silky tomentose lobed or incised leaves. It furnishes a valuable timber.