attachment disk

15 LETTERS · STARTS WITH A

attachment disk is a valid 15-letter word worth 26 points in Scrabble and 28 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

A1T1T1A1C3H4M3E1N1T1D2I1S1K5

1 + 1 + 1 + 1 + 3 + 4 + 3 + 1 + 1 + 1 + 0 + 2 + 1 + 1 + 5 =26 PTS

DOUBLE WORD → 52TRIPLE WORD → 78

MEANING

What does attachment disk mean?