still box

9 LETTERS · STARTS WITH S

still box is a valid 9-letter word worth 17 points in Scrabble and 20 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1T1I1L1L1B3O1X8

1 + 1 + 1 + 1 + 1 + 0 + 3 + 1 + 8 =17 PTS

DOUBLE WORD → 34TRIPLE WORD → 51

MEANING

What does still box mean?