蛍ほたるTop 25000MeaningsNoun1. firefly (Luciola cruciata); lightning bug; glowworm (Usually kana)Kanji used蛍fireflyPitch accentほたるUsed in vocabularyげんじぼたるGenji firefly (Nipponoluciola cruciata)NounへいけぼたるAquatica lateralis (firefly species)Noun蛍ほたる狩がりfirefly watchingNounExamples1以い前ぜんこの辺へんにたくさんのホタルがいたものだった。There used to be lots of fireflies around here.