1
                           general:: 
                            Phrase(s): on the run
1. Fig. while one is moving from place to place.  •  I will try to pick up some aspirin today on the run.  •  I will think about it on the run. 2. Fig. running from the police.  •  Richard is on the run from the cops.  •  The gang of crooks is on the run.
                        
                        
 
                        
                            McGrawhill's American Idioms And Phrasal Verbs
                        
                        
                    
                    
                        2
                           general:: 
                            1. In rapid retreat; also, attempting to escape from pursuers. For example, The guerrillas were on the run after the ambush, or The burglars were on the run from the police. [Early 1800s] 2. Hurrying from place to place, as in The company officers were always on the run from New York to Los Angeles and back. [Late 1800s]
                        
                        
 
                        
                            American Heritage Idioms