society > armed hostility > military equipment > weapon > device for discharging missiles > firearm > gun carriage > [noun] > trail (3)
An object that is dragged. Navy and Military (now historical). The trail of a gun carriage: see trail, n.1 5.
The hinder end of the stock of a gun-carriage, which rests or slides on the ground when the carriage is unlimbered. Cf. train, n.2 5.
in Gunnery, a trail composed of two or more timbers or irons, opposed to block trail.