IPA: /ˈbɑːrkər/
KK: /ˈbɑrkər/
A person who stands outside a show or event and loudly encourages people to come in, often using persuasive speech.
The barker called out to passersby, trying to attract them to the carnival games.
Barker → The word originates from Old English 'beorc' (meaning birch tree) and 'er' (a person who). A barker originally referred to a person who worked with or used birch trees, often in the context of making bark products or as a term for a dog barker.
Think of someone associated with 'birch trees' ('beorc') — a barker is a person who might be linked to the bark of trees or the sound of a dog barking.