plug casing

11 LETTERS · STARTS WITH P

plug casing is a valid 11-letter word worth 16 points in Scrabble and 23 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

P3L1U1G2C3A1S1I1N1G2

3 + 1 + 1 + 2 + 0 + 3 + 1 + 1 + 1 + 1 + 2 =16 PTS

DOUBLE WORD → 32TRIPLE WORD → 48

MEANING

What does plug casing mean?