duplicate bridge

16 LETTERS · STARTS WITH D

duplicate bridge is a valid 16-letter word worth 24 points in Scrabble and 30 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

D2U1P3L1I1C3A1T1E1B3R1I1D2G2E1

2 + 1 + 3 + 1 + 1 + 3 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 2 + 2 + 1 =24 PTS

DOUBLE WORD → 48TRIPLE WORD → 72

MEANING

What does duplicate bridge mean?