1. A device (usually metal and ornamental) attached by a hinge to a door
   "The lion-shaped knocker added character to the front entrance";
   - doorknocker, rapper
    
2. A person who knocks (as seeking to gain admittance)
   "open the door and see who the knocker is"
    
3. One who disparages or belittles the worth of something
   "The film's knockers criticized its unrealistic plot";
   - detractor, disparager, depreciator
    
4. [vulgar] Either of two soft fleshy milk-secreting glandular organs on the chest of a woman
   "She had a nice pair of knockers";
   - breast, bosom

Derived forms: knockers

Type of: actor, cynic, device, doer, faultfinder, mamma, mammary gland, worker

Part of: adult female body, front door, front entrance, woman's body

Encyclopedia: Knocker