main rocket

11 LETTERS · STARTS WITH M

main rocket is a valid 11-letter word worth 18 points in Scrabble and 21 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

M3A1I1N1R1O1C3K5E1T1

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

DOUBLE WORD → 36TRIPLE WORD → 54

MEANING

What does main rocket mean?