percolator
noun
                                                                                                                            
                                                            per·co·la·tor
                    
                                                                                                              
                                                                                                                                  ˈpər-kə-ˌlā-tər  
                                                                                                                               
                                                      
                                                          
            nonstandard
    -kyə- 
                                
              
          
                                                      : one that percolates                                      
                
                                
            specifically                
          
                                                      : a coffeepot in which boiling water rising through a tube is repeatedly deflected downward through a perforated basket containing ground coffee beans to extract their essence                                      
            
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  Merriam-Webster unabridged




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