noun. 
                    undefined
                  
                
                  
                    noun. 
                    A violent fight between or as if between dogs.
                  
                
                  
                    noun. 
                    An illegal, organized fight between dogs, arranged for spectator entertainment and betting.
                  
                
                  
                    noun. 
                    An aerial battle between fighter planes.
                  
                
                  
                    intransitive verb. 
                    To arrange illegal dogfights.
                  
                
                  
                    intransitive verb. 
                    To engage in a dogfight.
                  
                
                  
                    intransitive verb. 
                    To engage in a dogfight with.