Search gender: all male female シロマル Japanese Boy Names Variations. 1 names found. gender: all male female Name: shiromaru Katakana: シロマル 5 Kanji: 白丸 Meaning: 白White. To make white. The state of being without color or flavor. Clean. Nothing. To be clear. To tell. 丸Round. No corners. Gentle. A dumpling. A dumpling made from fish or other ingredients. Abbreviation of pill. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > シロマル Japanese Boy Names Variations.