idiom dictionary

16 LETTERS · STARTS WITH I

idiom dictionary is a valid 16-letter word worth 24 points in Scrabble and 26 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

I1D2I1O1M3D2I1C3T1I1O1N1A1R1Y4

1 + 2 + 1 + 1 + 3 + 0 + 2 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 4 =24 PTS

DOUBLE WORD → 48TRIPLE WORD → 72

MEANING

What does idiom dictionary mean?