Search gender: all male female Teitaro Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: teitaro Katakana: テイタロウ 0 Kanji: 貞太郎 Meaning: 貞Correct. The heart is right. 太Abundantly large. Large in circumference. Thick. Flabby. Very. A word used to refer to a person of high rank or status. 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 > Teitaro Boy Name Meaning, Kanji Variations.