archimedes' screw

17 LETTERS · STARTS WITH A

archimedes' screw is a valid 17-letter word worth 28 points in Scrabble and 30 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
A1R1C3H4I1M3E1D2E1S1'0S1C3R1E1W4
1 + 1 + 3 + 4 + 1 + 3 + 1 + 2 + 1 + 1 + 0 + 0 + 1 + 3 + 1 + 1 + 4 =28 PTS
DOUBLE WORD → 56TRIPLE WORD → 84
MEANING

What does archimedes' screw mean?

1