The Collaborative International Dictionary
                    Aristarchy
                    
                        
                
                                                        Aristarchy \Ar"is*tar`chy\, n. Severely criticism.
                    Aristarchy
                    
                        
                
                                                                    Aristarchy \Ar"is*tar`chy\, n.
   Severe criticism. [Obs.] 
--Sir J. Harrington.
Douglas Harper's Etymology Dictionary
                    aristarchy
                    
                        
                
                                                                    "government by the best men," from Greek aristarkhia, from aristos "best" (see aristocracy) + -arkhia (see -archy).
Wiktionary
                    aristarchy
                    
                        
                
                                                                    Etymology 1 n. government by the best Etymology 2
n. (context obsolete English) severe criticism