ネロリ油ゆMeanings1nounneroli oilEssential oil distilled from bitter orange (Citrus aurantium) flowers; used in perfumery and aromatherapy. Also known as 橙花油 (とうかゆ).See also: 橙花油ネロリ油ゆは香こう水すいの原げん料りょうとしてよく使つかわれる。Neroli oil is often used as an ingredient in perfumes.