Meaning of call back

(verb) cause to be returned; "recall the defective auto tires"; "The manufacturer tried to call back the spoilt yoghurt"

recall knowledge from memory; have a recollection; "I can't remember saying any such thing"; "I can't think what her last name was"; "can you remember her phone number?"; "Do you remember that he once loved you?"; "call up memories"

(adj) totally submissive

(verb) summon to return; "The ambassador was recalled to his country"; "The company called back many of the workers it had laid off during the recession"