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Longman Dictionary of Contemporary English
heavy goods vehicle
noun
EXAMPLES FROM CORPUS
▪ Sample section headings for the mailing list of a heavy goods vehicle manufacturer.
▪ The dock company's estimate of heavy goods vehicle traffic has proved remarkably accurate.
Wiktionary
heavy goods vehicle

n. A lorry, truck or other large vehicle used to transport cargo with a total weight of at least 3.5 tonnes.