Shunt, n.
 1. Railroad A turning off to a side or short track, that the principal track may be left free.
 2. Elec. A conducting circuit joining two points in a conductor, or the terminals of a galvanometer or dynamo, so as to form a parallel or derived circuit through which a portion of the current may pass, for the purpose of regulating the amount passing in the main circuit.
 3. Gunnery The shifting of the studs on a projectile from the deep to the shallow sides of the grooves in its discharge from a shunt gun.
 Shunt dynamo Elec., a dynamo in which the field circuit is connected with the main circuit so as to form a shunt to the letter, thus employing a portion of the current from the armature to maintain the field.
 Shunt gun, a firearm having shunt rifling. See under Rifling.

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