owl

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

A group of owls is called a parliament.

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

An owl pigeon.

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.

To smuggle contraband goods.

Initialism of Older Women's League.

Initialism of Web Ontology Language (The order of the letters is discussed at Web Ontology Language § Acronym.)