A large, deciduous tree, Quercus petraea.

plural of oak gall

plural of oak apple

An oak, Quercus coccifera, native to the western Mediterranean region and growing 1-6 meters tall.

A large, deciduous tree, English oak, Quercus robur

genus Gymnocarpium (syn Thelypteris)

Any of the species of Toxicodendron with compound leaves having three oak-like leaflets, native to North America.

(countable, uncountable) A tree of the species Quercus robur, native to most of Europe, and to Anatolia to the Caucasus, and also to parts of North Africa. / (uncountable) Wood from such tree.

Quercus laevis, of the southeastern U.S. / Quercus incana, of the southern U.S., from Texas through the Piedmont to Virginia

Quercus frainetto, a species of oak native to southeastern Europe (parts of Italy, the Balkans, parts of Hungary, Romania) and Turkey.