1
                    
      
              
        a
    
                                          
              
          
                                                      : a line containing a catchword                                      
                
                    
            
      
              
        b
    
                                          
              
          
                                                      : a short line (as of less important words in a title or display advertisement) between lines that are longer and sometimes larger                                      
                
                    
            
      
              
        c
    
                                          
              
          
                                                      : an identification line (as on a printer's proof or a manuscript)                                      
                
                    
            
   
                   
                      
                    2
                    
      
              
        
    
                                          
              
          
                                                      : a phrase or sentence designed to catch attention especially in an advertisement or as a heading or title of a story, article, or newspaper item                                      
                
                    
            
   
                   
                      
                    3
                    
      
              
        
    
                                          
              
          
                                                      : a line in a theatrical production expected to cause a laugh and often repeated as a gag                                      
                
                    
            
   
                   
             
                    
                        
        
        
        
                
                
                
        
                
     
    
                                                    
                                                                                        
            
                                    
                        
                                                    
                                
                       
                                        
                
                                                
                            
            
                                    
                                    
                        
                                            
                                                    
                                                                
                                
                
                
                
                
                
                
                
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
                                        
                                                    
                            
                                                               
                                                
  
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  Merriam-Webster unabridged
 
                          
                    
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