Search gender: all male female ルクマル Japanese Boy Names Variations. 1 names found. gender: all male female Name: rukumaru Katakana: ルクマル 0 Kanji: 琉久丸 Meaning: 琉Ruri(lapis lazuli). Name of a gemstone. A deep blue to indigo-colored gemstone. One of the seven treasures. 久For a long time. From long ago. From the past. 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 > ルクマル Japanese Boy Names Variations.