Meaning of “us” - Learner’s Dictionary

us

pronoun us uk strong /ʌs/ weak /əs, s/

A1 used after a verb or preposition to refer to the person who is speaking or writing and one or more other people:

She gave us all a present.
Would you like to have dinner with us next Saturday?

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