arcaden. 拱廊、拱形建築物、有拱廊的街道弓形組織、連拱學術名詞阿卡德:外國地名騎樓:土木工程拱廊:土木工程連續拱廊:土木工程英文釋義a covered passageway with shops and stalls on either sidea structure composed of a series of arches supported by columns