noun. 
                    See leech.
                  
                
                  
                    noun. 
                    Same as latch.
                  
                
                  
                    
                    To extract metal from (an ore) by subjecting it to chemical reagents which take the metal into solution.
                  
                
                  
                    noun. 
                    A dish, of various kinds, served up in slices. It was sometimes a jelly flavored with spices.
                  
                
                  
                    noun. 
                    A tank in which hot water is passed through ground bark to obtain tannin. Also latch.
                  
                
                  
                    
                    See leech.
                  
                
                  
                    
                    To wash or drain by percolation of water; treat by downward drainage: as, to make lye by leaching ashes (the most familiar use of the word); the rains leach a gravelly soil.
                  
                
                  
                    
                    To remove by percolation; drain away: as, to leach the alkali from wood-ashes.
                  
                
                  
                    noun. 
                    A separation of lye, or alkali in solution, as from wood-ashes, by percolation of water.
                  
                
                  
                    noun. 
                    The material used for leaching, as wood-ashes.—3. A deep tub with a spigot inserted in the bottom, used in making potash. It holds from 6 to 8 bushels of wood-ashes.
                  
                
                  
                    
                    To cut into slices; slice.
                  
                
                  
                    noun. 
                    Same as leash.