definition of
call back

[1] #1 call back v. cause to be returned; "recall the defective auto tires"; "The manufacturer tried to call back the spoilt yoghurt". wn

[2] #2 call back v. 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". wn

[3] #3 call back v. return or repeat a telephone call; "I am busy right now--can you call back in an hour?"; "She left a message but the contractor never called back". wn

[4] #4 call back v. 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". wn