鉄てっ扉ぴてっぴMeanings1nouniron doorA door made of iron, often heavy and sturdy. Used in literal contexts, such as building entrances or safes.銀ぎん行こうの金きん庫こ室しつには厚あつい鉄てっ扉ぴがついている。The bank vault has a thick iron door.
