Source : Webster's Revised Unabridged Dictionary (1913)

Plush \Plush\, n. [F. pluche, peluche (cf. It. peluzzo), fr. L.
   pilus hair. See {pile} hair, and cf. {Peruke}.]
   A textile fabric with a nap or shag on one side, longer and
   softer than the nap of velvet. --Cowper.

Source : WordNet®

plush
     adj : characterized by extravagance and profusion; "a lavish
           buffet"; "a lucullan feast" [syn: {lavish}, {lucullan},
            {lush}, {plushy}]
     n : a fabric with a nap that is longer and softer than velvet