flutter valve

13 LETTERS · STARTS WITH F

flutter valve is a valid 13-letter word worth 21 points in Scrabble and 26 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

F4L1U1T1T1E1R1V4A1L1V4E1

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

DOUBLE WORD → 42TRIPLE WORD → 63

MEANING

What does flutter valve mean?