Any of various birds of prey of the order Strigiformes that are primarily nocturnal and have forward-looking, binocular vision, limited eye movement, and good hearing.

(by extension) A person seen as having owl-like characteristics, especially appearing wise or serious, or being nocturnally active.

An owl pigeon.

(politics, uncommon) A politician with moderate views that are neither hawkish nor dovish.

Any of various nymphalid butterflies, especially in the genus Caligo, having large eyespots on the wings.