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English definition of “call sb up”

call sb up

[M usually passive] (MILITARY) phrasal verb with call     /kɔːl/ US  /kɑːl/ verb
C2 to order someone to join a military organization or to ask someone to join an official, especially national, team: He was called up when the war began. Lucie Saint was called up for the final against Brazil.Joining or leaving the army
(Definition of call sb up (MILITARY) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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