Definition of knocker

Definition of knocker
  1. knocker Noun A device, usually hinged with a striking plate, used for knocking on a door.
  2. knocker Noun A person who knocks (denigrates) many things.
  3. knocker Noun A woman's breasts.
  4. knocker Noun A dwarf, goblin, or sprite imagined to dwell in mines and to indicate the presence of ore by knocking "particularly in Cardigan etc. in South Wales (18th..19th century)".
  5. knocker Noun A mechanical device in a pinball table that produces a loud percussive noise.
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