Search gender: all male female ゲンマル Japanese Boy Names Variations. 1 names found. gender: all male female Name: gemmaru Katakana: ゲンマル 0 Kanji: 玄丸 Meaning: 玄Black color. Black with a reddish tinge. Dark. The color of heaven. Deep. Distant. Far away. 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 > ゲンマル Japanese Boy Names Variations.