plural Trojan horses
1
: someone or something that is used to hide what is true or real in order to trick or harm an enemy
They may be using the other corporation as a Trojan horse.
2
computers
: a seemingly useful computer program that is actually designed to harm your computer (such as by destroying data files) if you use it
Cite this Entry
“Trojan horse.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/Trojan%20horse. Accessed 23 Jun. 2026.
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