Definition of Trojan Horse
noun
Greek Mythology a hollow wooden statue of a horse in which the Greeks concealed themselves in order to enter Troy. (also Trojan horse) a person or thing intended secretly to undermine or bring about the downfall of an enemy or opponent:the rebels may use this peace accord as a Trojan horse to try and take over (also Trojan horse) Computing a program designed to breach the security of a computer system while ostensibly performing some innocuous function.
