Castra

In the Roman Republic and the Roman Empire, the Latin word, plural , was a military-related term. In Latin usage, the singular form meant “fort”, while the plural form  meant “camp”. The singular and plural forms could refer in Latin to either a building or plot of land, used as a fortified military base.

In English usage, commonly translates to “Roman fort”, “Roman camp” and “Roman fortress”. However, scholastic convention tends to translate as “fort”, “camp”, “marching camp” or “fortress”.

Romans used the term for different sizes of camps – including large legionary fortresses, smaller forts for cohorts or for auxiliary forces, temporary encampments, and “marching” forts. The diminutive form was used for fortlets, typically occupied by a detachment of a cohort or a.

For a list of known castra, see List of castra.

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