vellum binding

14 LETTERS · STARTS WITH V

vellum binding is a valid 14-letter word worth 22 points in Scrabble and 31 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

V4E1L1L1U1M3B3I1N1D2I1N1G2

4 + 1 + 1 + 1 + 1 + 3 + 0 + 3 + 1 + 1 + 2 + 1 + 1 + 2 =22 PTS

DOUBLE WORD → 44TRIPLE WORD → 66

MEANING

What does vellum binding mean?