ballroom Syllabification: (ball·room)Pronunciation: /ˈbôlˌro͞om, -ˌro͝om/Translate ballroom | into French | into German | into Italian | into Spanish Definition of ballroom noun 1a large room used for dancing. 2ballroom dancing:the number of people learning ballroom has doubled in the last two yearsballroom in other Oxford dictionaries Definition of ballroom in the British & World English dictionary