一太郎 いちたろう Meanings Noun Ichitarō Ichitaro (word processing package) Kanji 一 one. Read as イチ. 太 thick 郎 son. Read as ロウ. Words containing 一太郎 天一太郎 (てんいちたろう) day of Ten'ichijin's first ascension to heaven in a year (the 30th day of the first sexagenary cycle of the year) Jinuma: Japanese Dictionary · Word lists