zigzag rule

11 LETTERS · STARTS WITH Z

zigzag rule is a valid 11-letter word worth 30 points in Scrabble and 34 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

Z10I1G2Z10A1G2R1U1L1E1

10 + 1 + 2 + 10 + 1 + 2 + 0 + 1 + 1 + 1 + 1 =30 PTS

DOUBLE WORD → 60TRIPLE WORD → 90

MEANING

What does zigzag rule mean?