定てい額がく貯ちょ金きんていがくちょきんMeanings1nounfixed-amount savings; fixed depositA type of savings account where a fixed amount is deposited regularly, often associated with postal savings in Japan.毎まい月つきの定てい額がく貯ちょ金きんで、少すこしずつ旅りょ行こう資し金きんを