paulowniaPronunciation: /pɔːˈləʊnɪə, -ˈlɒvnɪə/Definition of paulownia noun a small SE Asian tree with heart-shaped leaves and fragrant lilac flowers. Genus Paulownia, family Scrophulariaceae Origin:modern Latin, named after Anna Pavlovna (1795–1865), a Russian princesspaulownia in other Oxford dictionaries Definition of paulownia in the US English dictionary