train

[ treyn ]

noun

1. Railroads. a self-propelled, connected group of rolling stock.
2. a line or procession of persons, vehicles, animals, etc., traveling together.
3. Military. an aggregation of vehicles, animals, and personnel accompanying an army to carry supplies, baggage, ammunition, etc.

   Synonyms: convoy

4. a series or row of objects or parts.
5. Machinery. a connected set of three or more rotating elements, usually gears, through which force is transmitted, or motion or torque changed.
6. order, especially proper order:

   Matters were in good train.

   Synonyms: arrangement, array

7. something that is drawn along; a trailing part.
8. an elongated part of a skirt or robe trailing behind on the ground.
9. a trail or stream of something from a moving object.
10. a line or succession of persons or things following one after the other.

    Synonyms: column, file

11. a body of followers or attendants; retinue.
12. a series of proceedings, events, ideas, etc.
13. the series of results or circumstances following or proceeding from an event, action, etc.; aftermath:

    Disease came in the train of war.

14. a succession of connected ideas; a course of reasoning:

    to lose one's train of thought.

15. Astronomy.
    1. the trace of light created by a meteor falling through the earth's atmosphere.
    2. the tail of a comet.
16. a line of combustible material, as gunpowder, for leading fire to an explosive charge.
17. Physics. a succession of wave fronts, oscillations, or the like.

verb (used with object)

1. to develop or form the habits, thoughts, or behavior of (a child or other person) by discipline and instruction:

   to train an unruly boy.

2. to make proficient by instruction and practice, as in some art, profession, or work:

   to train soldiers.

   Synonyms: school, practice, drill, exercise

3. to make (a person) fit by proper exercise, diet, practice, etc., as for an athletic performance.
4. to discipline and instruct (an animal), as in the performance of tasks or tricks.
5. to treat or manipulate so as to bring into some desired form, position, direction, etc.:

   to train one's hair to stay down.

6. Horticulture. to bring (a plant, branch, etc.) into a particular shape or position, by bending, pruning, or the like.
7. to bring to bear on some object; point, aim, or direct, as a firearm, camera, telescope, or eye.
8. Archaic. to entice; allure.

verb (used without object)

1. to give the discipline and instruction, drill, practice, etc., designed to impart proficiency or efficiency.
2. to undergo discipline and instruction, drill, etc.
3. to get oneself into condition for an athletic performance through exercise, diet, practice, etc.
4. to travel or go by train:

   to train to New York.

train

/ treɪn /

verb

1. tr to guide or teach (to do something), as by subjecting to various exercises or experiences

   to train a man to fight

2. tr to control or guide towards a specific goal

   to train a plant up a wall

3. intr to do exercises and prepare for a specific purpose

   the athlete trained for the Olympics

4. tr to improve or curb by subjecting to discipline

   to train the mind

5. tr to focus or bring to bear (on something)

   to train a telescope on the moon

noun

1. 1. a line of coaches or wagons coupled together and drawn by a railway locomotive
   2. ( as modifier )

      a train ferry

2. a sequence or series, as of events, thoughts, etc

   a train of disasters

3. a procession of people, vehicles, etc, travelling together, such as one carrying supplies of ammunition or equipment in support of a military operation
4. a series of interacting parts through which motion is transmitted

   a train of gears

5. a fuse or line of gunpowder to an explosive charge, etc
6. something drawn along, such as the long back section of a dress that trails along the floor behind the wearer
7. a retinue or suite
8. proper order or course

Derived Forms

• ˈtrainless, adjective
• ˈtrainable, adjective

Other Words From

• 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

Word History and Origins

Origin of train¹

First 1350–1400; (verb) late Middle English traynyn “to pull or drag in the rear,” from Middle French trainer, Old French tra(h)iner, from unattested Vulgar Latin tragīnāre, derivative of unrecorded tragīna “something dragged or drawn” (compare Medieval Latin tragīna “carriage”), derivative of unattested tragere “to pull,” for Latin trahere; (noun) Middle English train, traine, from Old French tra(h)in (masculine) “series of people, animals, or things,” tra(h)ine (feminine) “something dragged behind,” both derivative of tra(h)iner

Word History and Origins

Origin of train¹

C14: from Old French trahiner , from Vulgar Latin tragīnāre (unattested) to draw; related to Latin trahere to drag

Idioms and Phrases

In addition to the idiom beginning with train , also see gravy train .

Synonym Study

See teach.

Example Sentences

A similar study looked at the thymus – a small organ involved in training the immune system.

From BBC

It demonstrates high performance with significantly fewer training parameters and shorter run-time compared to the latest deep learning-based models and, of course, it also outperforms explicit deconvolution methods.

From Science Daily

Since winning power, Labour has agreed above-inflation pay deals for workers including doctors and train drivers in an attempt to end long-running strikes.

From BBC

To help detect those boats is a dog, Adele, trained by the UK’s National Crime Agency to sniff out rubber.

From BBC

The Arkansas rules required Medicaid enrollees to show 80 hours per month of employment, job search, job training or community service.

From Los Angeles Times

Related Words

• care for
• develop
• discipline
• educate
• equip
• improve
• instruct
• qualify
• study
• teach
• tutor
• work out