string pump

11 LETTERS · STARTS WITH S

string pump is a valid 11-letter word worth 17 points in Scrabble and 23 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1T1R1I1N1G2P3U1M3P3

1 + 1 + 1 + 1 + 1 + 2 + 0 + 3 + 1 + 3 + 3 =17 PTS

DOUBLE WORD → 34TRIPLE WORD → 51

MEANING

What does string pump mean?