Search gender: all male female 砥 Japanese Names Variations. 1 names found. gender: all male female Name: shion Katakana: シオン 0 Kanji: 砥音 Meaning: 砥Grindstone 音Sound. Tone. Voice. News. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > 砥 Japanese Names Variations.