a cappella
adjective/ˌæ kəˈpelə/, /ˌɑː kəˈpelə/
/ˌæ kəˈpelə/, /ˌɑː kəˈpelə/
- (of music) for singing voices alone, without musical instrumentsWord OriginItalian, literally ‘in chapel style’.
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a cappella
Definition of a cappella adjective from the Oxford Advanced Learner's Dictionary