plena
/ˈpliːnə/US
noun
In Puerto Rican culture: a traditional style of singing and dancing showing African influences and characterized by a highly syncopated rhythm and often satirical lyrics, the rhythm of the vocal lines frequently contrasting with that of the accompaniment.
Origin
1930s; earliest use found in Hispania. Probably from American Spanish (Puerto Rico) plena (although this is apparently first attested later), perhaps from plena, feminine of pleno full, total from classical Latin plēnus.