(British) A vehicle equipped with electronic instrumentation that can detect the oscillator of a domestic television, used by the licensing authority to check that a household with no TV licence does not have a television receiver.
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UK and Irish slang — Cockney, Scouse, Geordie, Yorkshire, Glaswegian, Brummie, Welsh, West Country, plus Irish English. Centuries of regional dialects feeding into modern British and Irish street talk.
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