OWL noun 2forms 1phrases 2 noun2 •Initialism of Web Ontology Language (The order of the letters is discussed at Web Ontology Language § Acronym.) •Initialism of Older Women's League. formsOWLs Phrases with OWL hoot owl shiftA very late shift of work. night owlAn owl (order Strigiformes) that is nocturnal.
