Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun post_oak
1 sense of post oak
Sense 1
post oak, box white oak, brash oak, iron oak, Quercus stellata -- (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)
=> oak, oak tree -- (a deciduous tree of the genus Quercus; has acorns and lobed leaves; "great oaks grow from little acorns")