A maglev.

An assembly of meshed gears consisting of a central (sun) gear, a coaxial internal gear-wheel and one or more intermediate pinions supported on a revolving carrier.

Alternative spelling of choo-choo train

(childish) A railway train. / (childish) A spoonful of food (when encouraging a spoon-fed child to eat).

Alternative form of it's not the whistle that pulls the train

Boasting and loud talk should not be mistaken for the work that produces real achievements; bravado is no proof of action.

plural of train operating company

(UK, rail transport) A company that operates passenger trains on the mainline railway network in Great Britain under franchise or license from the Government.

plural of high intensity training

(sports) A weight training system developed for bodybuilders, focused on performing repetitions to the point of momentary muscular failure.