Akademik

iron oak
noun
1. small deciduous tree of eastern and central United States having dark green lyrate pinnatifid leaves and tough moisture-resistant wood used especially for fence posts
Syn: ↑post oak, ↑box white oak, ↑brash oak, ↑Quercus stellata
Hypernyms: ↑oak, ↑oak tree
2. medium-sized evergreen of southwestern United States and northwestern Mexico with oblong leathery often spiny-edged leaves
Syn: ↑canyon oak, ↑canyon live oak, ↑maul oak, ↑Quercus chrysolepis
Hypernyms: ↑live oak

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noun
1. : any of several American oaks (as the blackjack or the common post oak) having notably hard tough durable wood
2. : a European Turkey oak

Useful english dictionary. 2012.