noun🔗ShareLibellulesAn insect of the suborder Epiprocta or, more strictly, the infraorder Anisoptera, having four long transparent wings held perpendicular to a long body when perched."While walking by the pond, we saw many dragonflies with their long, clear wings hovering over the water. "En nous promenant près de l'étang, nous avons vu de nombreuses libellules avec leurs longues ailes transparentes planer au-dessus de l'eau.insectanimalnaturebiologyorganismecologyChat with AIVocabulary GamePractice Reading