master rod

10 LETTERS · STARTS WITH M

master rod is a valid 10-letter word worth 12 points in Scrabble and 13 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

M3A1S1T1E1R1R1O1D2

3 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 2 =12 PTS

DOUBLE WORD → 24TRIPLE WORD → 36

MEANING

What does master rod mean?