Vietnamese Pronunciation (Hà Nội) IPA(key): [maːw˧˨ʔ] (Huế) IPA(key): [maːw˨˩ʔ] (Saigon) IPA(key): [maːw˨˩˨] Etymology 1 Sino-Vietnamese word from 帽. Doublet of mũ and mão. Noun (classifier cái, chiếc) mạo (North Central Vietnam) hat; cap; helmet Etymology 2 Doublet of màu. Romanization mạo Sino-Vietnamese reading of 貌 Derived terms diện mạodung mạođạo mạođịa mạotướng mạo Etymology 3 Romanization mạo Sino-Vietnamese reading of 冒 Derived terms giả mạomạo danhmạo nhậnmạo xưng Anagrams moạ Wikiwand - on Seamless Wikipedia browsing. On steroids.