disk valve

10 LETTERS · STARTS WITH D

disk valve is a valid 10-letter word worth 20 points in Scrabble and 23 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

D2I1S1K5V4A1L1V4E1

2 + 1 + 1 + 5 + 0 + 4 + 1 + 1 + 4 + 1 =20 PTS

DOUBLE WORD → 40TRIPLE WORD → 60

MEANING

What does disk valve mean?