(rail transport) A train whose primary function is to carry passengers.

(figuratively) Anything designed to make something easier for a novice.

plural of training wheel

Alternative form of powertrain

A fairground attraction in which participants ride through a haunted house in a railcar.

(US, Australia, Canada) A transport concept consisting of a conventional prime mover truck pulling two or more trailers.

A train used for the transportation of goods.

(military, historical) A wheel forming part of the machinery of a cannon or a similar firearm which is turned to train or aim the weapon at a target.

A land train.

To either stand on a the roof of a moving train and surf it like a wave, or to hang on and ride on the exterior of a train.