[oul] 
| 1. | any of numerous, chiefly nocturnal birds of prey, of the order Strigiformes, having a broad head with large, forward-directed eyes that are usually surrounded by disks of modified feathers: many populations are diminishing owing to loss of habitat. |
| 2. | one of a breed of domestic pigeons having an owllike appearance. |
| 3. | night owl. |
| 4. | a person of owllike solemnity or appearance. |
| 5. | operating late at night or all night: an owl train. |
