message carrier

15 LETTERS · STARTS WITH M

message carrier is a valid 15-letter word worth 19 points in Scrabble and 22 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

M3E1S1S1A1G2E1C3A1R1R1I1E1R1

3 + 1 + 1 + 1 + 1 + 2 + 1 + 0 + 3 + 1 + 1 + 1 + 1 + 1 + 1 =19 PTS

DOUBLE WORD → 38TRIPLE WORD → 57

MEANING

What does message carrier mean?