gros de Tours

[ groh duh too r; French groh duh toor ]
/ ˌgroʊ də ˈtʊər; French groʊ də ˈtur /

noun

a ribbed silk fabric made with a two- or three-ply warp interlaced with organzine and tram filling.

Origin of gros de Tours

1790–1800; < French: literally, Tours gross; cf. grosgrain