noun. 
                    Any powder that when mixed with water forms a plastic paste used to fill cracks and holes in plaster.
                  
                
                  
                    noun. 
                    A plastic paste meant for filling cracks and holes in plaster.
                  
                
                  
                    verb. 
                    To fill or repair with a plastic paste.
                  
                
                  
                    verb. 
                    To fill cracks or holes with a spackle.
                  
                
                  
                    verb. 
                    To fill gaps with something, as if spackling; to speckle