citadel
noun
cit·a·del
ˈsi-tə-dᵊl 
-ˌdel
1
: a fortress that commands (see command entry 1 sense 2c) a city
2
: stronghold
the nation's citadel of health research—
Constance Holden
Constance Holdena citadel of higher education
Examples of citadel in a Sentence
We visited a medieval citadel in Italy.
a massive stone citadel continues to command the city of Halifax, Nova Scotia
Recent Examples on the Web
The 15th-century Inca citadel may be a UNESCO World Heritage Site and a modern wonder of the world, visited by more than 1.4 million people last year, but there are many ways to experience it.
—Forbes Staff, Forbes.com, 23 May 2025
Named after its placement on the citadel mound of Kuyunjik, the North Palace is thought to have been completed around 643 BCE—and then burnt down not long after, in 612 BCE, when Nineveh was sacked by the Babylonians.
—Ian Randall, MSNBC Newsweek, 15 May 2025
Other finds included structures related to an 18th century citadel and various 19th and early 20th century structures linked to the Old Fish Market.
—Aspen Pflughoeft, Miami Herald, 28 Apr. 2025
The robots are planning to do reparations, Sasha 55 has a citadel named in her honor, and everyone (even Manny!) sends Belinda off as the queen of Earth.
—Jennifer Zhan, Vulture, 12 Apr. 2025
See All Example Sentences for citadel
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Forbes Staff, Forbes.com, 23 May 2025
Named after its placement on the citadel mound of Kuyunjik, the North Palace is thought to have been completed around 643 BCE—and then burnt down not long after, in 612 BCE, when Nineveh was sacked by the Babylonians.
—Ian Randall, MSNBC Newsweek, 15 May 2025
Other finds included structures related to an 18th century citadel and various 19th and early 20th century structures linked to the Old Fish Market.
—Aspen Pflughoeft, Miami Herald, 28 Apr. 2025
The robots are planning to do reparations, Sasha 55 has a citadel named in her honor, and everyone (even Manny!) sends Belinda off as the queen of Earth.
—Jennifer Zhan, Vulture, 12 Apr. 2025
See All Example Sentences for citadel
Cite this Entry
“Citadel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/citadel. Accessed 28 May. 2025.
Copy CitationKids Definition
citadel
noun
cit·a·del
ˈsit-əd-ᵊl
-ə-ˌdel
1
: a fortress that sits high above a city
2
: a strong fortress
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