oak

Definitions

• (countable) A deciduous tree with distinctive deeply lobed leaves, acorns, and notably strong wood, typically of England and northeastern North America, included in genus Quercus.
• (uncountable) The wood of the oak.
• A rich brown colour, like that of oak wood.
• Any tree of the genus Quercus, in family Fagaceae.
• Any tree of other genera and species of trees resembling typical oaks of genus Quercus in some ways.
• The outer (lockable) door of a set of rooms in a college or similar institution. (Often in the phrase "to sport one's oak").
• (wine) The flavor of oak.