Search gender: all male female Nirotaka Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: nirotaka Katakana: ニロタカ 2 Kanji: 宏嵩 Meaning: 宏Large. Big. Expand. Excellent. To be splendid. 嵩Mountains rise high. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Nirotaka Boy Name Meaning, Kanji Variations.