The Collaborative International Dictionary of English v.0.48:

Baize \Baize\ (b[=a]z), n. [For bayes, pl. fr. OF. baie; cf. F.
   bai bay-colored. See Bay a color.]
   A coarse woolen stuff with a long nap; -- usually dyed in
   plain colors.
   [1913 Webster]

         A new black baize waistcoat lined with silk. --Pepys.
   [1913 Webster]

WordNet (r) 3.0 (2006):

baize
    n 1: a bright green fabric napped to resemble felt; used to
         cover gaming tables