- A fortress, typically on high ground, protecting or dominating a city.More example sentences
- Peter's army stormed the citadel and sacked the city, killing several thousand inhabitants and local Byzantine troops.
- Each city was laid out on a grid plan with a high citadel and a lower city of domestic dwellings.
- Victory eluded the British for three months, until Wolfe successfully landed men on the Plains of Abraham above the citadel.
mid 16th century: from French citadelle, or from Italian cittadella, based on Latin civitas 'city' (see city).