Castellum
1.
Limes watchtower, Germany (reconstruction)
2. Ruins of a castellum divisorium, France
A castellum [1] in Latin is usually:
- a small Roman fortlet or tower, [2] a diminutive of castrum (' military camp'), often used as a watchtower or signal station like on Hadrian's Wall. It is distinct from a burgus, which is a later Latin term that was used particularly in the Germanic provinces.
- a distribution, header and settling tank in a Roman aqueduct or castellum aquae.
It is the source of the English word " castle".
References
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