Meaning of A CAPPELLA in English

A CAPPELLA

a cap ‧ pel ‧ la /ˌæ kæˈpelə $ ˌɑː kə-/ BrE AmE adjective , adverb

[ Date: 1800-1900 ; Language: Italian ; Origin: 'in the style of the chapel' ]

sung without any musical instruments

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.