zero post

9 LETTERS · STARTS WITH Z

zero post is a valid 9-letter word worth 19 points in Scrabble and 20 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

Z10E1R1O1P3O1S1T1

10 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 1 =19 PTS

DOUBLE WORD → 38TRIPLE WORD → 57

MEANING

What does zero post mean?