cartridge filler

16 LETTERS · STARTS WITH C

cartridge filler is a valid 16-letter word worth 22 points in Scrabble and 26 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

C3A1R1T1R1I1D2G2E1F4I1L1L1E1R1

3 + 1 + 1 + 1 + 1 + 1 + 2 + 2 + 1 + 0 + 4 + 1 + 1 + 1 + 1 + 1 =22 PTS

DOUBLE WORD → 44TRIPLE WORD → 66

MEANING

What does cartridge filler mean?