rail setter

11 LETTERS · STARTS WITH R

rail setter is a valid 11-letter word worth 10 points in Scrabble and 11 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

R1A1I1L1S1E1T1T1E1R1

1 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 1 + 1 =10 PTS

DOUBLE WORD → 20TRIPLE WORD → 30

MEANING

What does rail setter mean?