tide lock

9 LETTERS · STARTS WITH T

tide lock is a valid 9-letter word worth 15 points in Scrabble and 17 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
T1I1D2E1L1O1C3K5
1 + 1 + 2 + 1 + 0 + 1 + 1 + 3 + 5 =15 PTS
DOUBLE WORD → 30TRIPLE WORD → 45
MEANING

What does tide lock mean?

1