The phrase "armed terrorists" refers to people who are involved in acts of violence or terror and are carrying weapons. They use these weapons to threaten or harm others while trying to achieve their goals. Full definition
In «7 Days,» he plays Wilfried Böse, one of the four armed terrorists who seized control of the flight. (startribune.com)
Aphrem makes other allegations that seem dubious, for example, that the West is arming terrorist groups that are massacring Christians. (firstthings.com)
The three young Americans who took down a heavily armed terrorist aboard a French train claim to be ordinary guys. (shepherdexpress.com)