tip-the stem of tip v.2 (or tip n.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, tip-cart, tip-sled, tip-truck, tip-van, tip-wagon; also tip-head, the top of the slope over which material or rubbish is tipped; tip-horse, the horse which 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.1891Cent.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.1879Webster, Suppl., *Tip-cart.1883J. Quincy Figures of Past (1884) 180 Springless tip-carts, very like those used..for the carting of gravel.1888H. E. Scudder in Atlantic Monthly Aug. 226/2 The idle muses are set at work. Pegasus is harnessed to a tip-cart.1842Civil 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.1912A. Bennett Matador of Five Towns 207 The old horse-car..climbing hills with the aid of a *tip-horse and a boy perched on the back thereof.1852J. Wiggins Embanking 65 The rapidity with which a bank could be built..would be limited by the number of *tip-roads.1877Knight 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.1899Westm.Gaz. 13 Nov. 9/1, 3 engines and 6 boilers, *tip trucks.1901Daily Tel. 14 Nov. 4/5 *Tip vans for the vestry.1852J. Wiggins Embanking 61 The best way is thought to be by tram-roads and *tip-waggons.1878G. Denman in Law Rep. 3 Com. Pleas Div. 502, 100 tip-waggons at 18 l. each.