fault bar

9 LETTERS · STARTS WITH F

fault bar is a valid 9-letter word worth 13 points in Scrabble and 16 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

F4A1U1L1T1B3A1R1

4 + 1 + 1 + 1 + 1 + 0 + 3 + 1 + 1 =13 PTS

DOUBLE WORD → 26TRIPLE WORD → 39

MEANING

What does fault bar mean?