Hansom refers to an old-fashioned carriage, giving a historical vibe in modern contexts. The streets were lined with replicas of hansom carriages during the heritage festival.
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Archaic Usage
In contemporary English, 'hansom' is rarely used and may not be understood outside historical dialogue. Won't you join me for a ride in the hansom, my dear?
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UK Association
Hansom is closely associated with British culture, ideal for settings like Victorian London. The detective novels set in London often mention hansom cabs.