Search gender: all male female Hotarubi Girl Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: hotarubi Katakana: ホタルビ 2 Kanji: 蛍火 Meaning: 蛍Firefly. A general term for beetles of the firefly family. A metaphor for something that glows dimly like a firefly. 火Fire. Flames. Light. Fire. Burning. The imminence of things. Fierce emotions. One of the seven days (Tuesday). You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Hotarubi Girl Name Meaning, Kanji Variations.