Meaning of “burn” - Learner’s Dictionary

burn

verb uk us /bɜːn/ (past tense and past participle burnt, burned)
DESTROY [ I, T ]

B1 to destroy something with fire, or to be destroyed by fire:

I burnt all his letters.
The factory burned to the ground.
He dropped his cigarette and burnt a hole in his jacket.
FLAMES [ I ]

B1 to produce flames:

The fire's burning well.
COOK TOO LONG [ I, T ]

If you burn something that you are cooking, you cook it too much and if something you are cooking burns, it cooks too much:

Check the pizza - I think it's burning!
burn yourself/your fingers, etc

B1 to be hurt by fire or heat:

He burned his hand on the kettle.
ENERGY [ T ] (also burn up)

to use fuel to produce heat or energy:

to burn calories/fuel
COPY [ T ]

to copy music, information or images onto a CD:

He's burnt all his favourite records onto a CD.
SKIN [ I ]

to be very hot or sore:

Her cheeks were burning.
burn with anger/hatred, etc

to feel an emotion very strongly

(Definition of “burn verb” from the Cambridge Learner’s Dictionary © Cambridge University Press)