waterweed

NOUN
9 LETTERS · 3 SYLLABLES · STARTS WITH W

waterweed is a valid 9-letter word worth 16 points in Scrabble and 16 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
W4A1T1E1R1W4E1E1D2
4 + 1 + 1 + 1 + 1 + 4 + 1 + 1 + 2 =16 PTS
DOUBLE WORD → 32TRIPLE WORD → 48
MEANING

What does waterweed mean?