navigation weir

15 LETTERS · STARTS WITH N

navigation weir is a valid 15-letter word worth 21 points in Scrabble and 25 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

N1A1V4I1G2A1T1I1O1N1W4E1I1R1

1 + 1 + 4 + 1 + 2 + 1 + 1 + 1 + 1 + 1 + 0 + 4 + 1 + 1 + 1 =21 PTS

DOUBLE WORD → 42TRIPLE WORD → 63

MEANING

What does navigation weir mean?