7 examples of knock
           
        
    1
    
        one heavy body knocks against another
    
    2
    
        to knock with a club; to knock on the door.
    
    3
    
        to knock a ball with a bat; to knock the head against a post; to knock a lamp off the table.
    
    4
    
        he got a bang on the head
    
    5
    
        he took a bash right in his face
    
    6
    
        The car pinked when the ignition was too far retarded
    
    7
    
        Don't knock the food--it's free