太ふと腹ばらMeanings1nounbelly; flanksarchaicArchaic term for the belly or flanks. In modern Japanese, お腹 (おなか) or 腹 (はら) are used instead.古こ文ぶん書しょには「太ふと腹ばらを冷ひやすな」といった表ひょう現げんが見みられる。In old documents, expressions like 'don't let your belly get cold' can be found.