rail filler

11 LETTERS · STARTS WITH R

rail filler is a valid 11-letter word worth 13 points in Scrabble and 16 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

R1A1I1L1F4I1L1L1E1R1

1 + 1 + 1 + 1 + 0 + 4 + 1 + 1 + 1 + 1 + 1 =13 PTS

DOUBLE WORD → 26TRIPLE WORD → 39

MEANING

What does rail filler mean?