Of a wine: aged in oak so that it acquires flavor from tannins in the wood.

A species of oak tree native to the eastern USA (Quercus montana, syn. Quercus prinus).

(historical) An oath asserting the right of the present royal family to the crown of England, and expressly abjuring allegiance to the descendants of Charles Edward Stuart, the Jacobite Pretender.

A type of evergreen oak tree, Quercus suber, native to southwest Europe and northwest Africa.

Quercus emoryi, an oak common in Arizona, New Mexico, and western Texas, typically growing in dry hills at moderate altitudes and retaining its leaves through the winter.

In California: / in the southwestern United States: / In the northeastern United States: / in the southeastern United States / In Europe

(chiefly Canada, US) Any of various hard oaks that grow near rivers or swamps, especially Quercus nigra, of the southern US.

The eighth-largest city in California, United States, and the county seat of Alameda County. / A township in Ontario, Canada. / A town, the county seat of Garrett County, Maryland, United States.

A large, deciduous tree, Quercus petraea.

plural of oak gall