still's disease

NOUN
15 LETTERS · STARTS WITH S

still's disease is a valid 15-letter word worth 14 points in Scrabble and 16 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
S1T1I1L1L1'0S1D2I1S1E1A1S1E1
1 + 1 + 1 + 1 + 1 + 0 + 1 + 0 + 2 + 1 + 1 + 1 + 1 + 1 + 1 =14 PTS
DOUBLE WORD → 28TRIPLE WORD → 42
MEANING

What does still's disease mean?

NOUN · 1 SENSE
1

A form of rheumatoid arthritis that affects children; large joints become inflamed and bone growth may be retarded.