reversion duty

14 LETTERS · STARTS WITH R

reversion duty is a valid 14-letter word worth 20 points in Scrabble and 22 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

R1E1V4E1R1S1I1O1N1D2U1T1Y4

1 + 1 + 4 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 2 + 1 + 1 + 4 =20 PTS

DOUBLE WORD → 40TRIPLE WORD → 60

MEANING

What does reversion duty mean?