Trojan horse (hollow wooden horse by which the Greeks allegedly gained access to Ilium/Troy during the Trojan War) · Trojan horse (subversive person or device placed within the ranks of the enemy) · Trojan, Trojan horse (malicious program that is disguised as legitimate software)
Trojan (of, or relating to, the famed city of Troy or its inhabitants) · Trojan, trojan (of, or relating to a Trojan point) · Trojan (of, or relating to, a certain type of malware)