1
                    
        a(1)
    
                
                                          
              
          
                                                      : a mounted man-at-arms serving a feudal superior                                      
                
                                
            especially                
          
                                                      : a man ceremonially inducted into special military rank usually after completing service as page and squire                                      
            
            
        (2)
    
                
                                          
              
          
                                                      : a man honored by a sovereign for merit and in Great Britain ranking below a baronet                                      
                
                    
        (3)
    
          
                                          
              
          
                                                      : a person of antiquity equal to a knight in rank                                      
                
                    
        b
    
          
                                          
              
          
                                                      : a man devoted to the service of a lady as her attendant or champion                                      
                
                    
        c
    
          
                                          
              
          
                                                      : a member of an order or society                                      
                
                    
2
                    
                                          
              
          
                                                      : either of two pieces of each color in a set of chessmen having the power to make an L-shaped move of two squares in one row and one square in a perpendicular row over squares that may be occupied                                      
                
                    
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  Merriam-Webster unabridged




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