upper works

11 LETTERS · STARTS WITH U

upper works is a valid 11-letter word worth 21 points in Scrabble and 24 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

U1P3P3E1R1W4O1R1K5S1

1 + 3 + 3 + 1 + 1 + 0 + 4 + 1 + 1 + 5 + 1 =21 PTS

DOUBLE WORD → 42TRIPLE WORD → 63

MEANING

What does upper works mean?