(rail transport) Synonym of subway: a railway under the ground.

(usually capitalized) Alternative form of Underground Railroad

(military) A massive and heavy mobile artillery gun, built, transported by, and fired from a specially designed rail car.

plural of underground railway

A cable railway on an incline; especially one which operates on two tracks (or with a passing loop), with a pair of vehicles counterbalancing each other.

plural of railway gun

(historical) A standardized time arrangement formerly used by railways to overcome the confusion caused by varying local times at different stations.

plural of railway line

Alternative form of railroad tie

(rail transport, chiefly UK) A railroad tie.