trojan horse   (TTS Sound)

The noun trojan horse has 3 senses

• fifth column, Trojan horse -- (a subversive group that supports the enemy and engages in espionage or sabotage; an enemy in your midst)


• trojan, trojan horse -- (a program that appears desirable but actually contains something harmful; "the contents of a trojan can be a virus or a worm"; "when he downloaded the free game it turned out to be a trojan horse")


• Trojan Horse, Wooden Horse -- (a large hollow wooden figure of a horse (filled with Greek soldiers) left by the Greeks outside Troy during the Trojan War)