The Collaborative International Dictionary
Grogran
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.
Wiktionary
grogran
n. (alternative form of grogram English)