Meaning of “call on sb” in the English Dictionary

british dictionary

"call on sb" in British English

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call on sb

phrasal verb with call uk /kɔːl/ us /kɑːl/ verb

C1 to ask someone in a formal way to do something:

They're calling on all men and boys over the age of 14 to join the army.
formal I now call on everyone to raise a glass to the happy couple.

(Definition of “call on sb” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)