train*/*/*/

[treɪn] noun [C] I

1) a group of railway vehicles that are connected and pulled by an engine

a freight/passenger train[/ex]

We travelled across China by train.[/ex]

I met her on a train to Glasgow.[/ex]

More and more people got on the crowded train.[/ex]

We'll be waiting for you when you get off the train.[/ex]

If we don't leave now we'll miss the train.[/ex]

I'll meet you at the train station.[/ex]

2) a series of events or thoughts

a disastrous train of events[/ex]

I'm sorry, I lost my train of thought (= forgot what I was thinking).[/ex]

3) a long part at the back of a formal dress that spreads out over the ground

II

verb

train */*/*/[treɪn]

1) [T] to teach someone to do a particular job or activity

We need to recruit and train more police officers.[/ex]

They were training him to use the new security system.[/ex]

2) [I] to learn how to do a particular job or activity

He trained as a chef in Paris.[/ex]

I have an uncle who trained to be a pilot.[/ex]

3) [I] to practise a sport regularly before a match or competition

The players train five days a week.[/ex]

4) [T] to teach an animal to obey you or to do something

He had trained the dogs to attack.[/ex]