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knocker

/ˈnɒk.ər/ · knock·er
noun
  1. A hinged metal device attached to a door, struck to announce a visitor’s arrival. She lifted the brass knocker and gave it a firm rap before stepping inside.
  2. A person who knocks on a door or otherwise seeks entry. The knocker at the gate was turned away by the guard.
  3. A harsh critic; one who disparages or finds fault. The film’s most vocal knocker called the screenplay a disaster.
Did you know? During the Victorian era, ornate door knockers were considered a status symbol, and some were crafted in the shape of mythical creatures or even human heads.
Written by Lexi Wordsworth, Dictionary Editor 1 lookups Added Aug 6, 2026