iron oak is a noun meaning "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". It carries 2 recorded senses.
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
medium-sized evergreen of southwestern United States and northwestern Mexico with oblong leathery often spiny-edged leaves
Definitions, synonyms and semantic relations for iron oak come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.