a capella singing

NOUN
17 LETTERS · STARTS WITH A

a capella singing is a valid 17-letter word worth 21 points in Scrabble and 29 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
A1C3A1P3E1L1L1A1S1I1N1G2I1N1G2
1 + 0 + 3 + 1 + 3 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 2 + 1 + 1 + 2 =21 PTS
DOUBLE WORD → 42TRIPLE WORD → 63
MEANING

What does a capella singing mean?

NOUN · 1 SENSE
1

Singing without instrumental accompaniment.