Search gender: all male female ハクワ Japanese Boy Names Variations. 1 names found. gender: all male female Name: hakuwa Katakana: ハクワ 0 Kanji: 博禾 Meaning: 博Communicate widely. To know widely. Large. Wide. To take. gambling. 禾Rice. A general term for grains. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > ハクワ Japanese Boy Names Variations.