pack mule

9 LETTERS · STARTS WITH P

pack mule is a valid 9-letter word worth 18 points in Scrabble and 23 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

P3A1C3K5M3U1L1E1

3 + 1 + 3 + 5 + 0 + 3 + 1 + 1 + 1 =18 PTS

DOUBLE WORD → 36TRIPLE WORD → 54

MEANING

What does pack mule mean?