BanjarmasinPronunciation: /ˌbandʒəˈmɑːsɪn/ (also Bandjarmasin)Definition of Banjarmasin a deep-water port and capital of the province of Kalimantan in Indonesia, on the island of Borneo; population 576,400 (est. 2009). Banjarmasin in other Oxford dictionaries Definition of Banjarmasin in the US English dictionary