Pronunciation: (trē'kō), [key]
1. a warp-knit fabric of various natural or synthetic fibers, as wool, silk, or nylon, having fine vertical ribs on the face and horizontal ribs on the back, used esp. for making garments.
2. a kind of worsted cloth.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.