decurion
noun
                                                                                                                            
                                                            de·cu·ri·on
                    
                                                                                                              
                                                                                                                                  di-ˈkyu̇r-ē-ən  
                                                      
                                                          
            1
                    
                                          
              
          
                                                      : a Roman cavalry officer in command of 10 men                                      
                
                    
2
                    
                                          
              
          
                                                      : a member of a Roman senate                                      
                
                    
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  Merriam-Webster unabridged




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