中ちゅう銀ぎんちゅうぎんMeanings1nouncentral bankabbreviationAbbreviation of 中央銀行. Used in economic and financial contexts, often in news or formal writing.See also: 中央銀行中ちゅう銀ぎんが政せい策さく金きん利りを引ひき上あげた。The central bank raised the policy interest rate.日にち銀ぎんは日本にほんの中ちゅう銀ぎんだ。The Bank of Japan is Japan's central bank.