part-singing

NOUN
12 LETTERS · STARTS WITH P

part-singing is a valid 12-letter word worth 15 points in Scrabble and 20 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
P3A1R1T1-0S1I1N1G2I1N1G2
3 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 2 + 1 + 1 + 2 =15 PTS
DOUBLE WORD → 30TRIPLE WORD → 45
MEANING

What does part-singing mean?

NOUN · 1 SENSE
1

Singing with three or more voice parts.