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.

one of a breed of domestic pigeons having an owllike appearance.

night owl.

a person of owllike solemnity or appearance.

operating late at night or all night

an owl train.