grosgrain/ˈɡɹəʊɡɹeɪn/EtymologyBorrowed from French gros-grain (“coarse grain, a strong fabric”), from gros (“coarse”) + grain (“grain”). Doublet of grogram, which was borrowed earlier.grosgrain means A silk fabric having narrow, horizontal ribs. Lexicurio rates it Sui generis — a strength score of 87 out of 100.nounA silk fabric having narrow, horizontal ribs.A close-woven fabric (usually made from silk or rayon) having narrow horizontal ribs.A ribbon made of this fabric.“He was on a leash, I realized. The grosgrain strap was wrapped around her hand.”