paon du jourcommon nounEtymologyexpandsee peacock and dayDefinition1. A day-flying lepidopteran insect (butterfly) of the Nymphalidae family, whose wings have bright eyespots on a vermilion background.zoologieexpandLa chenille du paon du jour se nourrit sur les orties.Synonymgrand paon du jourHyperonymsinsectepapillonrhopalocèrenymphalidéTranslationsgerman:Tagpfauenaugeenglish:European Peacockspanish:Mariposa pavo realdutch:dagpauwoog