Search gender: all male female Sosetsu Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: sosetsu Katakana: ソウセツ 0 Kanji: 窓雪 Meaning: 窓Window 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 > Sosetsu Name Meaning, Kanji Variations.