Owlet \Owl"et\, n. [Dim. of owl. Cf. Howlet.]

(Zo["o]l.) A small owl; especially, the European species (Athene noctua), and the California flammulated owlet (Megascops flammeolus).

Owlet moth (Zo["o]l.), any noctuid moth.

Source: Webster's Revised Unabridged Dictionary (1913)