screw coupling

14 LETTERS · STARTS WITH S

screw coupling is a valid 14-letter word worth 23 points in Scrabble and 30 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1C3R1E1W4C3O1U1P3L1I1N1G2

1 + 3 + 1 + 1 + 4 + 0 + 3 + 1 + 1 + 3 + 1 + 1 + 1 + 2 =23 PTS

DOUBLE WORD → 46TRIPLE WORD → 69

MEANING

What does screw coupling mean?