last muster

11 LETTERS · STARTS WITH L

last muster is a valid 11-letter word worth 12 points in Scrabble and 15 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

L1A1S1T1M3U1S1T1E1R1

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

DOUBLE WORD → 24TRIPLE WORD → 36

MEANING

What does last muster mean?