A citadel is a strong and fortified building or structure that is used for defense. It is like a stronghold or fortress that protects a city or a particular area from enemies or intruders. Full definition
Travellers venturing to the ancient Inca citadel of Machu Picchu will now have an even wider choice of train travel available to them as Inca Rail launches its brand - new service, the 360 ° Machu Picchu Train. (breakingtravelnews.com)
Using 3DMark the device scored 7449 on Ice Storm Extreme and it managed 50 frames per second in Epic Citadel in High Quality mode. (androidauthority.com)
The ancient Inca Citadel of Machu Picchu is one of the world's most important heritage sites. (luxurytravelmagazine.com)