trap - Definition from Longman English Dictionary Online

trap
2 verb

trap2 S3 past tense and past participle trapped, present participle trapping [transitive]

in a dangerous place

[usually passive] to prevent someone from escaping from somewhere, especially a dangerous place:

Twenty miners were trapped underground.

Dozens of people were trapped in the rubble when the building collapsed.

There's no way out! We're trapped!

to be in a bad situation from which you cannot escape

be/feel trapped in

Julia felt trapped in her role of wife and mother.

to catch an animal or bird using a trap

to catch someone by forcing them into a place from which they cannot escape:

The police trapped the terrorists at a roadblock.

to trick someone so that you make them do or say something that they did not intend to

trap somebody into (doing) something

I was trapped into signing a confession.

British English to get a part of your body crushed between two objects [= pinch American English]

Mind you don't trap your fingers in the door.

to prevent something such as gas or water from getting away:

solar panels that trap the sun's heat

Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

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trap² verb