retirement plan

NOUN
15 LETTERS · STARTS WITH R

retirement plan is a valid 15-letter word worth 18 points in Scrabble and 23 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
R1E1T1I1R1E1M3E1N1T1P3L1A1N1
1 + 1 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 1 =18 PTS
DOUBLE WORD → 36TRIPLE WORD → 54
MEANING

What does retirement plan mean?