pumping engine

14 LETTERS · STARTS WITH P

pumping engine is a valid 14-letter word worth 21 points in Scrabble and 30 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

P3U1M3P3I1N1G2E1N1G2I1N1E1

3 + 1 + 3 + 3 + 1 + 1 + 2 + 0 + 1 + 1 + 2 + 1 + 1 + 1 =21 PTS

DOUBLE WORD → 42TRIPLE WORD → 63

MEANING

What does pumping engine mean?