night owl
Pronunciation:
/ˈnaɪt aʊl//ˈnaɪt ˌaʊl/noun
Definitions
An owl (order Strigiformes) that is nocturnal.
One who goes to bed late, or stays up late at night or in the early hours of the morning.
Synonyms:night personnighthawkAntonyms:day larkearly birdlarkmorning personA musical instrument which imitates an owl's hoot, consisting of a receptacle partly filled with water and a mouthpiece that is blown into.