Source : Webster's Revised Unabridged Dictionary (1913)

Bombycinous \Bom*byc"i*nous\, a. [L. bombycinus. See
   {Bombazine}.]
   1. Silken; made of silk. [Obs.] --Coles.

   2. Being of the color of the silkworm; transparent with a
      yellow tint. --E. Darwin.