Meaning of “please” - Learner’s Dictionary

please

exclamation us uk /pliːz/
Extra Examples
Could you hand me that book, please?Ladies and gentlemen, could I have your attention, please?Could you come a bit nearer, please?Can you put the light on please?I'm cold, could you turn the heating up please?

A1 something that you say to be polite when you are asking for something or asking someone to do something:

Could you fill in the form, please?
I'll have the curry, please.
Please may I use your telephone?
Yes, please.

A1 used to accept something politely:

"Would you like a lift home?" "Oh yes, please."

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