simple past tense and past participle of toilet-train

(rail transport, UK, chiefly historical) Originally a requirement in the Railway Regulation Act 1844 for railways to run at least one train a day each way, at a cost to passengers of no more than one penny a mile, on every railway line in the country. Presently the term is used for passenger trains that serve a line or station only once a day or week to avoid the cost of applying for closure.

(rail transport, UK) A smaller-profile underground train which operates through the tube tunnels under London, which have a small cross section.

(sometimes derogatory) An audience or other group of people who are hyped over something; people who highly and sometimes excessively anticipates something that has been highly advertised and promoted.

(rail transport, UK) A design of tram which can operate over standard railway track as well as tram track.

(rail transport) A freight train that carries only one commodity.

plural of train order

(rail transport, US, Canada) Formerly, a telegraphed or written instruction issued by a dispatcher to train crews and other railroad employees, concerning changes in operation of a particular train.

(rail transport) A train consisting of both passenger coaches and freight vehicles.

plural of train crew