the stem of TIP v.2 (or TIP sb.5), in combination: esp. in names of vehicles constructed to tip or tilt (endwise or sideways) for the purpose of emptying out the contents at the end or side of the track, as tip-car, -cart, -sled, -truck, -van, -wagon; also tip-head, the top of the slope over which material or rubbish is tipped; tip-horse, the horse that runs out the wagons to the tip-head; tip-road, a road along which tip-cars or -wagons run to a tip-head. See also TIP-CAT, etc.
1891. Cent. Dict., *Tip-car,… a gravel-car or coal-car pivoted on its truck, so that it can be upset to discharge its load at the side of the track; a dump-car.
1879. Webster, Suppl., *Tip-cart.
1883. J. Quincy, Figures of Past (1884), 180. Springless tip-carts, very like those used … for the carting of gravel.
1888. H. E. Scudder, in Atlantic Monthly, Aug., 226/2. The idle muses are set at work. Pegasus is harnessed to a tip-cart.
1842. Civil Eng. & Arch. Jrnl., V. 85/2. The sub-contractor … had to … take up and relay the road at the gullet and *tip-head. Ibid., 336/1. The limitation of the quantity of earth-work capable of being executed in one day, occurs at the battery or tiphead.
1852. Wiggins, Embanking, 65. The rapidity with which a bank could be built … would be limited by the number of *tip-roads.
1877. Knight, Dict. Mech., *Tip-sled, a dumping-sled. The box is supported on trunnions and on a front post, to which it is connected by a hook.
1899. Westm. Gaz., 13 Nov., 9/1. 3 engines and 6 boilers, *tip trucks.
1901. Daily Tel., 14 Nov., 4/5. *Tip vans for the vestry.
1852. Wiggins, Embanking, 61. The best way is thought to be by tram-roads and *tip-waggons.
1878. G. Denman, in Law Rep., 3 Com. Pleas Div. 502. 100 tip-waggons at 18l. each.
