a flag in which the two colors are separated by a zigzag pattern, like the flag of Bahrain, above Shield The shield is the main part of a coat-of-arms, and is shaped like a shield of armor
                                                            
                                                     
                        
                                                
                        
                        
                            a type of flag that has two colors, separated by a serrated edge
                                                            
                                                     
                        
                                                
                        
                        
                            A serration is a flag in which the two colors are separated by a zigzag pattern, like the flag of Bahrain, above
                                                            
                                                     
                        
                                                
                        
                        
                            Zigzag or sawtooth ornament, originally Gothic. A form of notched dentil.
                                                            
                                                     
                        
                                                
                        
                        
                            The inclusion of a row of notches on expanded metal grating to provide slip resistance.