| sprag clutch | คลัตช์ทางเดียวแบบค้ำยัน [ยานยนต์ ๑๒ มี.ค. ๒๕๔๕] |
| sprag | (n) a chock or bar wedged under a wheel or between the spokes to prevent a vehicle from rolling down an incline |
| spraguea | (n) small genus of usually perennial herbs having deep woody taproots and flower heads of umbels or cymes, Syn. genus Spraguea |
| Sprag | n. [ Cf. Icel. spraka a small flounder. ] (Zool.) A young salmon. [ Prov. Eng. ] [ 1913 Webster ] |
| Sprag | v. t. |
| Sprag | a. See Sprack, a. Shak. [ 1913 Webster ] |
| Sprag | n. [ See Spray a branch. ] A billet of wood; a piece of timber used as a prop. [ 1913 Webster ] |