imperial quarto

15 LETTERS · STARTS WITH I

imperial quarto is a valid 15-letter word worth 27 points in Scrabble and 31 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

I1M3P3E1R1I1A1L1Q10U1A1R1T1O1

1 + 3 + 3 + 1 + 1 + 1 + 1 + 1 + 0 + 10 + 1 + 1 + 1 + 1 + 1 =27 PTS

DOUBLE WORD → 54TRIPLE WORD → 81

MEANING

What does imperial quarto mean?