Search gender: all male female Moriro Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: moriro Katakana: モリロウ 0 Kanji: 壮郎 Meaning: 壮Brave. Prosperous. big. Fine. A young man. A young, energetic man. A man of about thirty years of age. 郎Male. Men. Young men. A word that refers broadly to boys. A retainer. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Moriro Boy Name Meaning, Kanji Variations.