rum·ba also rhum·ba 
/ˈrʌmbə/ noun
plural rum·bas /ˈrʌmbə/ noun 1 [count] : a type of dance originally from Cuba in which dancers move their hips a lot
▪ They danced a/the rumba. 2 : the music for a rumba [count] ▪ The band played a rumba. [noncount] ▪ The band plays rumba.
▪ They danced a/the rumba.
