埼さい銀ぎんMeanings1nounSaitama Bank (abbreviation)company nameAbbreviation for Saitama Bank, a former regional bank in Japan. Used in financial and historical contexts.埼さい銀ぎんは埼さい玉たま県けんの地ち方ほう銀ぎん行こうだった。Saitama Bank was a regional bank in Saitama Prefecture.