Definition of a cappella in English:

a cappella

Pronunciation /ˌa kəˈpɛlə//ˌɑː kəˈpɛlə/

adverb & adjective

  • (with reference to choral music) sung without instrumental accompaniment.

    as adjective ‘an a cappella Mass’
    as adverb ‘the consorts usually perform a cappella’
    • ‘We'll prepare a few songs that we can do a cappella.’

Origin

Italian, literally ‘in chapel style’.

Pronunciation

a cappella

/ˌa kəˈpɛlə//ˌɑː kəˈpɛlə/