backing out

11 LETTERS · STARTS WITH B

backing out is a valid 11-letter word worth 19 points in Scrabble and 24 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

B3A1C3K5I1N1G2O1U1T1

3 + 1 + 3 + 5 + 1 + 1 + 2 + 0 + 1 + 1 + 1 =19 PTS

DOUBLE WORD → 38TRIPLE WORD → 57

MEANING

What does backing out mean?