▸ noun
1 (also oak tree) a large tree which bears acorns and typically has lobed deciduous leaves. Oaks are dominant in many north temperate forests and are an important source of durable timber used in building, furniture, and (formerly) ships.
Genus Quercus, family Fagaceae: many species, including the deciduous common oak or English oak (Q. robur), and the evergreen holm oak.
▪ [mass noun] a smoky flavour or nose characteristic of wine aged in barrels made from oak wood:
scents of toasty oak
[as modifier] soft oak overtones.
▪ mainly Australian English used in names of other trees or plants that resemble the oaks in some way, e.g. she-oak, silky oak.
– ORIGIN Old English āc, of Germanic origin; related to Dutch eik and German Eiche.