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Noun: iron oak  I(-u)rn owk
  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
    - post oak, box white oak, brash oak, Quercus stellata
  2. Medium-sized evergreen of southwestern United States and northwestern Mexico with oblong leathery often spiny-edged leaves
    - canyon oak, canyon live oak, maul oak, Quercus chrysolepis

Derived forms: iron oaks

Type of: live oak, oak, oak tree