An owl (order Strigiformes) that is nocturnal.
A musical instrument which imitates an owl's hoot, consisting of a receptacle partly filled with water and a mouthpiece that is blown into.
One who goes to bed late, or stays up late at night or in the early hours of the morning.
A young owl; owling.
One of a species of small owls, such as Athene noctua.
An owlet moth.