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Strictly, the hole through which melted metal is poured into the gate, and thence into the mold.

The waste piece of metal cast in the opening; a sprue or sullage piece. [Written also geat and git.] Gate chamber, a recess in the side wall of a canal lock, which receives the opened gate. -- Gate channel. See Gate, 5. -- Gate hook, the hook-formed piece of a gate hinge. -- Gate money, entrance money for admission…

The sprue of a type, which is broken from it when the type is cold. Knight. Jet propeller (Naut.), a device for propelling vessels by means of a forcible jet of water ejected from the vessel, as by a centrifugal pump. -- Jet pump, a device in which a small jet of steam, air, water, or other fluid, in rapid motion, lif…

A group of castings made in the same mold and connected by sprues formed in the runner and its branches. Knight. Spray drain (Agric.), a drain made by laying under earth the sprays or small branches of trees, which keep passages open.

Silt; mud deposited by water. Sullage piece (Founding), the sprue of a casting. See Sprue, n., 1 (b).