Used other than figuratively or idiomatically: see pull, train. / (slang, vulgar) To have sex with a line of people, one after the other.

A system of railroad equipment designed to ensure safety by monitoring locations of trains and locomotives, providing analysis and reporting, and automation of track warrants and similar orders.

simple past tense and past participle of pull a train

present participle and gerund of pull a train

Third-person singular simple present indicative form of pull a train

(idiomatic) Further along, in terms of time or progress.

(Scrabble) The act of keeping track of which letters have been played, usually by crossing them off a printed list.

plural of trademark symbol

The symbol "™", consisting of the letters TM in superscript, used to indicate that a term is a trademark (whether registered or not).

Third-person singular simple present indicative form of trade in