possessive case

NOUN /pə'zɛsɪv_keɪs/
15 LETTERS · STARTS WITH P

possessive case is a valid 15-letter word worth 21 points in Scrabble and 24 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
P3O1S1S1E1S1S1I1V4E1C3A1S1E1
3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 4 + 1 + 0 + 3 + 1 + 1 + 1 =21 PTS
DOUBLE WORD → 42TRIPLE WORD → 63
MEANING

What does possessive case mean?

NOUN · 1 SENSE