n.
A coarse, often stiffened fabric made of silk, mohair, wool, or a blend of them.
[Alteration of French gros grain, coarse texture. See grosgrain.]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.