Knocker

Pronunciation: /ˈnɑkkɚ/

Knocker (noun)

  1. A metal or plastic part on a door that you hit to make a loud sound and ask to be let in.
  2. A person who repeatedly hits a door or window to get someone’s attention.

Examples

  • The knocker rings when the door is hit.
  • A knocker on the door helps visitors announce themselves.