fall line

9 LETTERS · STARTS WITH F

fall line is a valid 9-letter word worth 11 points in Scrabble and 15 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

F4A1L1L1L1I1N1E1

4 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 1 =11 PTS

DOUBLE WORD → 22TRIPLE WORD → 33

MEANING

What does fall line mean?