library binding

15 LETTERS · STARTS WITH L

library binding is a valid 15-letter word worth 23 points in Scrabble and 28 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

L1I1B3R1A1R1Y4B3I1N1D2I1N1G2

1 + 1 + 3 + 1 + 1 + 1 + 4 + 0 + 3 + 1 + 1 + 2 + 1 + 1 + 2 =23 PTS

DOUBLE WORD → 46TRIPLE WORD → 69

MEANING

What does library binding mean?