An annual tax for incidental expenses connected with the militia (the provision of harness, drums, colours, etc.), formerly levied in every English county, now only in the City of London.
Origin
Early 18th century.
Definition of trophy tax in US English:
trophy tax
noun
An annual tax for incidental expenses connected with the militia (the provision of harness, drums, colours, etc.), formerly levied in every English county, now only in the City of London.