noun🔗ShareLuciérnagasAny beetle of the family Lampyridae, which exhibit bioluminescence during twilight."Sentence: "On warm summer evenings, we watched the fireflies blink their lights in the backyard." "En las cálidas tardes de verano, observábamos a las luciérnagas parpadear sus luces en el jardín.insectanimalnaturebiologyorganismenvironmentChat with AIVocabulary GamePractice Reading