長ちょう銀ぎんMeanings1nounlong-term credit bank; LTCBabbreviationAbbreviation of 長期信用銀行. Used primarily in financial and business contexts.See also: 長期信用銀行長ちょう銀ぎんは長ちょう期きの設せつ備び資し金きんを融ゆう資しする金きん融ゆう機き関かんです。A long-term credit bank is a financial institution that provides long-term capital loans.