Bohemia Syllabification: (Bo·he·mi·a)Pronunciation: /bōˈhēmēə/Definition of Bohemia a region that forms the western part of the Czech Republic. Formerly a Slavic kingdom, it became a province in the newly formed Czechoslovakia by the Treaty of Versailles in 1919. Bohemia in other Oxford dictionaries Definition of Bohemia in the British & World English dictionary