n. See bogy.n. A name first given at Newcastle-upon-Tyne, in England, to a coal-wagon or truck so constructed as to turn easily in moving about the quays; a trolly.n. An English term for a four-wheeled truck supporting the front part of a locomotive engine, or placed one under each end of a railway-carriage, and turning beneath it by means of a central pin or pivot, to facilitate the passing of sudden curves.n. In a saw-mill, a small carriage running on a transverse track on a log-carriage, used to change the position of the log in relation to the saw.n. A small wheelbarrow or box upon wheels, made of light boiler-plate iron, used in the removal from the furnace of blackash in the manufacture of soda by the Leblanc process.n. See Colonel Bogie.