Word family noun trainee trainer training retraining adjective trained ≠ untrained verb train retrain
From Longman Dictionary of Contemporary Englishtraintrain1 /treɪn/ ●●● S1 W2 noun [countable] 1 
railwayTTT a set of several carriages that are connected to each other and pulled along a railway line by an enginetrain to the train to Munichby train We went all the way to Inverness by train. → boat train2 → a train of something3 → train of thought4 → bring something in its train5 → set something in train6 people/animalsLINE a long line of moving people, animals, or vehicles a camel train7 dressDCC a part of a long dress that spreads out over the ground behind the person wearing it a wedding dress with a long train8 servantsLINE a group of servants or officers following an important person, especially in the pastGRAMMAR: Patterns with train• You usually say get on a train: I got on the train at Bristol. • You usually say get off a train: She got off the train in Geneva. • You say that someone is on a train: There were a lot of tourists on the train.• You go somewhere by train: He travels to work by train. ✗Don’t say: go by the train | travel by the train• You often talk about the train: It’s easier if you take the train.COLLOCATIONSverbstake/get a trainI took the first train home.catch a trainHe was in a hurry to catch a train.go by/travel by trainWe decided to go by train.get on/board a trainAt Stoke, another passenger boarded the train.get off a trainHe got off the train at Flushing.wait for a trainShe sat on the railway platform for half an hour, waiting for a train.miss a train (=be too late to get on a train)I just missed the last train.trains run (=take people from one place to another at fixed times)Trains run from two main London stations, Victoria and Charing Cross, every hour.a train arrivesThe train arrived on time.a train leaves/departsTrains depart from Rugby at half-hourly intervals until 4.00 pm.a train pulls into/out of a stationThe train pulled into Euston station and I got off.a train derails/is derailed (=comes off the rails)Most of the passengers escaped injury when their train was derailed.ADJECTIVES/NOUN + traina freight/goods traina freight train carrying hazardous chemicalsa passenger traina passenger train bound for Genevaa commuter train (=a train that people going to work use)a crash involving two crowded commuter trainsan express train/a fast train (=one that does not stop at many places)He boarded the express train to London.a slow train (also a stopping train British English) (=one that stops at a lot of places)We got on the stopping train by mistake and it took hours to get home.a steam trainRailway enthusiasts have the opportunity to take a nostalgic trip on a steam train.a tube/underground train (=one that runs under London)The condition of many tube trains is a disgrace.train + NOUNa train journey British English, a train trip American EnglishThey were not looking forward to the long train journey.a train fareHow much is the train fare to Derby?a train driverThe train driver apologized for the late departure.a train crash (also a train wreck American English)Ten people were killed in the train crash. Examples from the Corpus
train• We parted at Paddington, and assured them that they would have to change trains at Oxford.• Caltrain runs commuter trains to both destinations and to other Silicon Valley cities, culminating in San Francisco.• As the mail train thundered past and disappeared into the distance he heard the familiar sound of footsteps.• But he made it, and got to the station just before the train did.• Comment on the dollar had been sombre for much of the year in the train of developments the previous autumn.• a wagon traintrain to• an overnight train to Viennatraintrain2 ●●● S1 W2 verb 1 teach somebody [intransitive, transitive]SETTEACH to teach someone the skills of a particular job or activity, or to be taught these skills → trainingtrain somebody in something All staff will be trained in customer service skills.train to do something She’s training to be a doctor.train somebody to do something Employees are trained to deal with emergency situations.train as Nadia trained as a singer. a highly trained workforce Trained staff will be available to deal with your queries.► see thesaurus at learn, teach2 teach an animal [transitive]TEACH to teach an animal to do something or to behave correctly a well-trained puppytrain something to do something These dogs are trained to detect drugs.3 prepare for sport [intransitive, transitive]DSEXERCISE to prepare for a sports event or tell someone how to prepare for it, especially by exercising → trainingtrain for Brenda spends two hours a day training for the marathon.► see thesaurus at practise4 aim something [transitive]SHOOT to aim something such as a gun or camera at someone or somethingtrain something on/at somebody/something She trained her binoculars on the bird.5 develop something [transitive] to develop and improve a natural ability or quality You can train your mind to relax. To the trained eye the difference between these flowers is obvious (=the difference is clear to someone who has developed skills to notice something).6 plant [transitive]DLG to make a plant grow in a particular direction by bending, cutting, or tying it→ See Verb tableExamples from the Corpus
train• Hamilton trains and sells horses.• Chris trained at an airbase in Honduras.• I'm not as fit as I should be. I don't train enough.• Melanie trained for a career in music, but switched to photography in her early thirties.• The troops had been training for an important role in the battle.• We want to encourage people who left school early to train for better jobs.• Tyson is training for the big fight next week.• She's been training for the marathon for six months.• These teams will be trained in direction and how to participate in problem solving.• The team is currently training in Hampshire.• In the winter months, she trains in Montana.• If you're really going to run in the marathon, you need to start training now.• We train people in skills such as typing and business administration.• A lot of employers don't train their staff properly.• Julie is training to be a nurse.• Her husband trained to be an auto mechanic, but he can't find a job.• Mr Gorman recently trained to become a chiropractor.• The dog was trained to detect illegal drugs.• All employees will be trained to use the new computer system.• The staff must be trained to use the software correctly.• We train twice a week at the local gym.train somebody in something• The report could only be understood by someone who is trained in chemistry.train something to do something• The dogs have been trained to attack intruders.train for• I started training for this race in September.trained eye• An alert mind and trained eye give astute evaluations.• The badge was coded to reveal to the trained eye just how much clearance the owner had.• His actions were deliberate, his trained eye looking for any bugs that might be hidden in the room.• In fact, tuition and advice are available in a multitude of sports under the trained eye of friendly, experienced coaches.• For only a moment, hardly discernable, except to a trained eye, the old Dimitri Volkov had shown himself.From Longman Business Dictionarytraintrain1 /treɪn/ noun [countable] a number of connected carriages pulled by an engine on a railway line → goods train → see also gravy traintraintrain2 verb [intransitive, transitive] to teach someone or to be taught the skills and knowledge needed for a particular jobBoth my sons want to train as chartered accountants.train somebody in somethingOne of the major costs of implementing the technology was the need to train workers in new skills.train somebody to do somethingHe trains his people to identify customer needs clearly. —trained adjectiveThe recession makes it even more essential to have properlytrained staff.→ See Verb tableOrigin train1 (1400-1500) Old French “something that is pulled along behind”, from trainer; → TRAIN2 train2 (1300-1400) Old French trainer “to pull, drag”, from Vulgar Latin traginare, probably from Latin trahere “to pull” 