protestant denomination

NOUN
23 LETTERS · STARTS WITH P

protestant denomination is a valid 23-letter word worth 27 points in Scrabble and 33 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
P3R1O1T1E1S1T1A1N1T1D2E1N1O1M3I1N1A1T1I1O1N1
3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 2 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =27 PTS
DOUBLE WORD → 54TRIPLE WORD → 81
MEANING

What does protestant denomination mean?