present participle of train surf

(sports) The sport of riding on the roof, sides or back of a train.

An ornamental glass bottle in the shape of a locomotive.

The flow of thinking.

(mechanical engineering) A system of interconnected gears.

(idiomatic) An occupation or situation that generates considerable income or benefits while requiring little effort and carrying little risk.

railroad track, railway track / (topology) A set of curves lying in a surface, meeting one another at their respective endpoints in a specific way that resembles railroad tracks

The mechanical system that operates the valves in an internal combustion engine.

A train service, running only during a winter sports season, that carries skiers and other tourists to and from a resort.

A locomotive plus the carriages that it pulls along a railway track. / A series of railcars/electric multiple units connected together.