[ohk] 
| 1. | any tree or shrub belonging to the genus Quercus, of the beech family, bearing the acorn as fruit. |
| 2. | the hard, durable wood of such a tree, used in making furniture and in construction. |
| 3. | the leaves of this tree, esp. as worn in a chaplet. |
| 4. | anything made of the wood of this tree, as an item of furniture, a door, etc. |
| 5. | sport one's oak, British. (of a university student) to indicate that one is not at home to visitors by closing the outer door of one's lodgings. |
