safety disk

11 LETTERS · STARTS WITH S

safety disk is a valid 11-letter word worth 21 points in Scrabble and 20 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1A1F4E1T1Y4D2I1S1K5

1 + 1 + 4 + 1 + 1 + 4 + 0 + 2 + 1 + 1 + 5 =21 PTS

DOUBLE WORD → 42TRIPLE WORD → 63

MEANING

What does safety disk mean?