sleeve valve

12 LETTERS · STARTS WITH S

sleeve valve is a valid 12-letter word worth 20 points in Scrabble and 25 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1L1E1E1V4E1V4A1L1V4E1

1 + 1 + 1 + 1 + 4 + 1 + 0 + 4 + 1 + 1 + 4 + 1 =20 PTS

DOUBLE WORD → 40TRIPLE WORD → 60

MEANING

What does sleeve valve mean?