A Cappella Definition
ä kə-pĕlə
adverb
Without instrumental accompaniment.
American Heritage
(music) In a manner of a choir with no instrumental accompaniment; literally "in the style of the (Sistine) Chapel (in Rome)"; such as a musical Mass done a cappella.[First attested in the late 19th century.]
Groups of teens singing a cappella on street corners got recording contracts.
Wiktionary
Synonyms:
adjective
Without instrumental accompaniment.
Webster's New World
(music) Singing solely or mainly without instrumental accompaniment.[First attested in the late 19th century.]
An a cappella group sang during the wedding reception.
Wiktionary
Synonyms:
Other Word Forms of A Cappella
Noun
Singular:
a cappella
Plural:
a cappellas