Definition of "cappella" [cap•pel•la]

• See a cappella. (noun)

Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)

• "But a cappella is enjoying an explosion on all manner of campuses, with new groups popping up every year, burgeoning national a cappella competitions and, for the first time in about half a century, a high profile in the popular culture."
• "For decades, a cappella was a tradition that thrived mainly at Ivy League institutions and small liberal arts schools."
• "Stewart introduces the great Tony Bennett, who sings "America" a cappella, which is pretty extraordinary, gotta say."