Search gender: all male female Mashimo Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: mashimo Katakana: マシモ 1 Kanji: 真霜 Meaning: 真True. Truth, not falsehood. Nature as it is. True form. Innate. 霜Frost. Needle ice. A metaphor for something frosty and white. Something sharp. Severe. Years and months. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Mashimo Name Meaning, Kanji Variations.