shift joint

11 LETTERS · STARTS WITH S

shift joint is a valid 11-letter word worth 23 points in Scrabble and 25 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1H4I1F4T1J8O1I1N1T1

1 + 4 + 1 + 4 + 1 + 0 + 8 + 1 + 1 + 1 + 1 =23 PTS

DOUBLE WORD → 46TRIPLE WORD → 69

MEANING

What does shift joint mean?