train in Irish

A mechanical (originally steam-powered, now typically diesel or electrical) vehicle carrying a large number of passengers and freight along a designated track or path; a line of connected wagons considered overall as a mode of transport; (as uncountable noun) rail or road travel. [from 19th c.]

(transitive, horticulture) To encourage (a plant or branch) to grow in a particular direction or shape, usually by pruning and bending.