patch up

VERB
8 LETTERS · STARTS WITH P

patch up is a valid 8-letter word worth 16 points in Scrabble and 19 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
P3A1T1C3H4U1P3
3 + 1 + 1 + 3 + 4 + 0 + 1 + 3 =16 PTS
DOUBLE WORD → 32TRIPLE WORD → 48
MEANING

What does patch up mean?