Knocker
WordNet

noun


(1)   A device (usually metal and ornamental) attached by a hinge to a door
(2)   Either of two soft fleshy milk-secreting glandular organs on the chest of a woman
(3)   One who disparages or belittles the worth of something
(4)   A person who knocks (as seeking to gain admittance)
"Open the door and see who the knocker is"
(5)   (Yiddish) a big shot who knows it and acts that way; a boastful immoderate person
WiktionaryText

Noun



  1. A device, usually hinged with a striking plate, used for knocking on a door.
  2. A woman's breasts.
  3. A person who knocks (denigrates) many things.
 
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