Search gender: all male female Raimaru Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: raimaru Katakana: ライマル 1 Kanji: 雷丸 Meaning: 雷Thunder. Something that is known to the world. A weapon of great explosive power. 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 For Japanese Names > Raimaru Boy Name Meaning, Kanji Variations.