Tumbler.—That part of the lock directly connected with the hammer, and in which are the two set notches.
Tumbler-Screw.—The screw on the outside of the lock, passing through the hammer and holding it securely in its connection with the tumbler.
Upper Rib.—The rib above and between the barrels of a double-barrel shot-gun.
Vent.—A small hole in side of the gun breech communicating with the interior or powder chamber.
Vise.—An implement for clamping or holding.
White Maple.—The Acer dasycarpum of botanists—a near relative of the sugar maple. Common in many parts of the United States. Called soft maple in some localities.
Whole-Stock.—A gun-stock extending the entire length of the barrel.
Wiper.—A long ramrod used only in wiping out and cleaning the bore of a muzzle loader. Also a small spiral implement made to screw on the end of a ramrod for the purpose of boring into and drawing a wad from a gun, or for holding material for wiping. Sometimes called a wormer.
Wormer.—See wiper.