Search gender: all male female Keisetsu Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: keisetsu Katakana: ケイセツ 0 Kanji: 蛍雪 Meaning: 蛍Firefly. A general term for beetles of the firefly family. A metaphor for something that glows dimly like a firefly. 雪Snow. A metaphor for something as white as snow. To cleanse. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Keisetsu Name Meaning, Kanji Variations.