escape clause

13 LETTERS · STARTS WITH E

escape clause is a valid 13-letter word worth 18 points in Scrabble and 23 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

E1S1C3A1P3E1C3L1A1U1S1E1

1 + 1 + 3 + 1 + 3 + 1 + 0 + 3 + 1 + 1 + 1 + 1 + 1 =18 PTS

DOUBLE WORD → 36TRIPLE WORD → 54

MEANING

What does escape clause mean?