[{"Bold_text": "noun", "List Items": ["an act of calling back.", "a summoning of workers back to work after a layoff.", "a summoning of an employee back to work after working hours, as for emergency business.", "a request to a performer who has auditioned for a role, booking, or the like to return for another audition.", "recall ( def 12 ) recall ( def 12 ).", "a return telephone call.", "an allusion to a joke made earlier in the same comedy act or show:The kitten yelling “Quiet!” at the end was a callback to earlier in the episode when the two normally silent brothers shouted it."]}, {"Bold_text": "adjective", "List Items": ["of or relating to a return telephone call:Please leave a callback number."]}, {"Bold_text": "verb phrase", "List Items": ["to telephone (a person) who has called earlier:Our staff will call you back within 24 hours.", "to summon or bring back; recall :He called back the messenger.The actor was called back for a second audition.", "to revoke; retract :to call back an accusation."]}]