noun🔗ShareLucioleAny 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." "Par les chaudes soirées d'été, nous regardions les lucioles clignoter leurs lumières dans le jardin.insectanimalnaturebiologyorganismenvironmentChat with AIVocabulary GamePractice Reading