Oxford Dictionary English

    Trojan horse

    noun
    noun
    BrE BrE//ˌtrəʊdʒən ˈhɔːs//
    ; NAmE NAmE//ˌtroʊdʒən ˈhɔːrs//
    Computer problems
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  1. 1a person or thing that is used to trick an enemy in order to achieve a secret purpose
  2. 2(computing) a computer program that seems to be helpful but that is, in fact, designed to destroy data, etc. See related entries: Computer problems
    3. From the story in which the ancient Greeks hid inside a hollow wooden statue of a horse in order to enter the city of their enemies, Troy.
See Trojan horse in the Oxford Advanced American Dictionary
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