Other forms: knockers

Definitions of knocker
  1. noun
    a person who knocks (as seeking to gain admittance)
    “open the door and see who the knocker is”
  2. noun
    a device (usually metal and ornamental) attached by a hinge to a door
    synonyms: doorknocker, rapper
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    type of:
    an instrumentality invented for a particular purpose
  3. noun
    one who disparages or belittles the worth of something
    synonyms: depreciator, detractor, disparager
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    backbiter, defamer, libeler, maligner, slanderer, traducer, vilifier
    one who attacks the reputation of another by slander or libel
    one who arouses hatred for others
    muckraker, mudslinger
    one who spreads real or alleged scandal about another (usually for political advantage)
    type of:
    cynic, faultfinder
    someone who is critical of the motives of others
  4. noun
    either of two soft fleshy milk-secreting glandular organs on the chest of a woman
    synonyms: boob, bosom, breast, tit, titty
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    type of:
    mamma, mammary gland
    milk-secreting organ of female mammals
  5. noun
    (Yiddish) a big shot who knows it and acts that way; a boastful immoderate person
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