dock screw

10 LETTERS · STARTS WITH D

dock screw is a valid 10-letter word worth 21 points in Scrabble and 23 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

D2O1C3K5S1C3R1E1W4

2 + 1 + 3 + 5 + 0 + 1 + 3 + 1 + 1 + 4 =21 PTS

DOUBLE WORD → 42TRIPLE WORD → 63

MEANING

What does dock screw mean?