Railroads. a self-propelled, connected group of rolling stock.
a line or procession of persons, vehicles, animals, etc., traveling together.
Military. an aggregation of vehicles, animals, and personnel accompanying an army to carry supplies, baggage, ammunition, etc.
a series or row of objects or parts.
Machinery. a connected set of three or more rotating elements, usually gears, through which force is transmitted, or motion or torque changed.
order, especially proper order: Matters were in good train.
something that is drawn along; a trailing part.
an elongated part of a skirt or robe trailing behind on the ground.
a trail or stream of something from a moving object.
a line or succession of persons or things following one after the other.
a body of followers or attendants; retinue.
a series of proceedings, events, ideas, etc.
the series of results or circumstances following or proceeding from an event, action, etc.; aftermath: Disease came in the train of war.
a succession of connected ideas; a course of reasoning: to lose one's train of thought.
the trace of light created by a meteor falling through the earth's atmosphere.
the tail of a comet.
a line of combustible material, as gunpowder, for leading fire to an explosive charge.
Physics. a succession of wave fronts, oscillations, or the like.
to develop or form the habits, thoughts, or behavior of (a child or other person) by discipline and instruction: to train an unruly boy.
to make proficient by instruction and practice, as in some art, profession, or work: to train soldiers.
to make (a person) fit by proper exercise, diet, practice, etc., as for an athletic performance.
to discipline and instruct (an animal), as in the performance of tasks or tricks.
to treat or manipulate so as to bring into some desired form, position, direction, etc.: to train one's hair to stay down.
Horticulture. to bring (a plant, branch, etc.) into a particular shape or position, by bending, pruning, or the like.
to bring to bear on some object; point, aim, or direct, as a firearm, camera, telescope, or eye.
Archaic. to entice; allure.
to give the discipline and instruction, drill, practice, etc., designed to impart proficiency or efficiency.
to undergo discipline and instruction, drill, etc.
to get oneself into condition for an athletic performance through exercise, diet, practice, etc.
to travel or go by train: to train to New York.
- train·less, adjective
- half-trained, adjective
- min·i·train, noun
- mis·train, verb
- non·trained, adjective
- o·ver·train, verb
- pre·train, verb (used with object)
- self-trained, adjective
- sem·i·trained, adjective
- su·per·train, verb
- un·der·train, verb (used with object)
- un·der·trained, adjective
- un·trained, adjective
- well-trained, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use train in a sentence
Like any kind of climate-related change, it’s too late to stop the train of warming that’s already moving forward.
To break into Lorenz’s elusive inner circle, Mia cozies up to him, and Jasper’s flatmate Niklas, it turns out, is the guy from the train.Stream or Skip? A Synthetic Biologist’s Review of ‘Biohackers’ on Netflix | Elsa Sotiriadis | September 2, 2020 | Singularity Hub
Show the AI a few frames of a train pulling out of a station and then ask it to generate the next few frames in the sequence, for example.How special relativity can help AI predict the future | Will Heaven | August 28, 2020 | MIT Technology Review
The platform lets data scientists create and train models on vast quantities of unstructured text as well as other kinds of data.
It gives you a red, yellow or green code based on your data and it has to be green for you to get on a train, say, or enter a store.
From there we took the train to Nice, France, but the French border control caught us and sent us back to Italy.
The U.S. military is finally starting to train Iraqi troops to fight ISIS in restive Anbar province.Pentagon Insider on New Plan to Fight ISIS: ‘Of Course It’s Not Enough’ | Nancy A. Youssef | January 6, 2015 | THE DAILY BEAST
Thankfully there were no casualties—the driver managed to stop the train immediately.
The U.S. only plans to train roughly 3,000 Iraqi troops in the first year.Pentagon Insider on New Plan to Fight ISIS: ‘Of Course It’s Not Enough’ | Nancy A. Youssef | January 6, 2015 | THE DAILY BEAST
“We met the smuggler in the train station; he came to speak with us about the services he provided,” Yazbek says.
It was only the engine drawing the train of cars up to the station to take the passengers away.Squinty the Comical Pig | Richard Barnum
He went careering forward to his point, overturning and wounding; but as he speeded on, he left a train of enemies behind.The Pastor's Fire-side Vol. 3 of 4 | Jane Porter
The fire along the three miles front is like the rumble of an express train running over fog signals.Gallipoli Diary, Volume I | Ian Hamilton
We were about nine hours of fair daylight traversing 160 miles of level or descending grade, with a light passenger train.Glances at Europe | Horace Greeley
There were only seventeen stations on the whole line, over which the first passenger train ran on Sept. 17.Showell's Dictionary of Birmingham | Thomas T. Harman and Walter Showell
British Dictionary definitions for train
(tr) to guide or teach (to do something), as by subjecting to various exercises or experiences: to train a man to fight
(tr) to control or guide towards a specific goal: to train a plant up a wall
(intr) to do exercises and prepare for a specific purpose: the athlete trained for the Olympics
(tr) to improve or curb by subjecting to discipline: to train the mind
(tr) to focus or bring to bear (on something): to train a telescope on the moon
a line of coaches or wagons coupled together and drawn by a railway locomotive
(as modifier): a train ferry
a sequence or series, as of events, thoughts, etc: a train of disasters
a procession of people, vehicles, etc, travelling together, such as one carrying supplies of ammunition or equipment in support of a military operation
a series of interacting parts through which motion is transmitted: a train of gears
a fuse or line of gunpowder to an explosive charge, etc
something drawn along, such as the long back section of a dress that trails along the floor behind the wearer
a retinue or suite
proper order or course
- trainable, adjective
- trainless, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Other Idioms and Phrases with train
In addition to the idiom beginning with train
- train of thought
- gravy train
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.