play upon

9 LETTERS · STARTS WITH P

play upon is a valid 9-letter word worth 15 points in Scrabble and 19 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

P3L1A1Y4U1P3O1N1

3 + 1 + 1 + 4 + 0 + 1 + 3 + 1 + 1 =15 PTS

DOUBLE WORD → 30TRIPLE WORD → 45

MEANING

What does play upon mean?