grogran

from The Collaborative International Dictionary of English v.0.48

Grogram \Grog"ram\, Grogran \Grog"ran\, n. [OF. gros-grain,
   lit., gros-grain, of a coarse texture. See {Gross}, and
   {Grain} a kernel, and cf. {Grog}.]
   A coarse stuff made of silk and mohair, or of coarse silk.
   [1913 Webster]