Meaning of the word "door knocker" in English

What does "door knocker" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

door knocker

US /ˈdɔːrˌnɑːk.ər/
UK /ˈdɔːrˌnɑːk.ər/
"door knocker" picture

Noun

1.

a device, typically metal, attached to a door and used for knocking on it to announce one's presence

Example:
She heard a loud bang on the door, but it was just the wind rattling the old door knocker.
The antique door knocker was shaped like a lion's head.
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