1. A deciduous tree of the genus Quercus; has acorns and lobed leaves
   "great oaks grow from little acorns"; "The mighty oak tree stood as a landmark in the village";
   - oak tree
    
2. The hard durable wood of any oak; used especially for furniture and flooring
   "The old farmhouse had beautiful oak floorboards"
    
3. (colour) a rich brown colour, like that of oak wood
   "She painted the walls a warm oak colour"

Derived forms: oaks

Type of: brown, brownness, tree, wood

Part of: genus Quercus, Quercus

Encyclopedia: Oak, NE