What does Trojan Horse mean?
• TROJAN HORSE (noun) The noun TROJAN HORSE has 3 senses: 1. a subversive group that supports the enemy and engages in espionage or sabotage; an enemy in your midst 2. a program that appears desirable but actually contains something harmful 3. a large hollow wooden figure of a horse (filled with Greek soldiers) left by the Greeks outside Troy during the Trojan War Familiarity information: TROJAN HORSE used as a noun is uncommon.