Quick definitions from WordNet (Quercus borealis)
▸ noun: large symmetrical deciduous tree with rounded crown widely distributed in eastern North America; has large leaves with triangular spiny tipped lobes and coarse-grained wood less durable than that of white oaks
▸ noun: large symmetrical deciduous tree with rounded crown widely distributed in eastern North America; has large leaves with triangular spiny tipped lobes and coarse-grained wood less durable than that of white oaks