castella
castella is a Latin form of castellum, meaning “fort, stronghold”. It is the nominative plural neuter noun or vocative plural neuter noun or accusative plural neuter noun.
Found 125 times in the Latin texts on Socratos.
Where it is used
Caesar, De Bello Gallico 1.8.2: Eo opere perfecto praesidia disponit, castella communit, quo facilius, si se invito transire conentur, prohibere possit.
All forms of castellum (declension table)
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Lewis & Short, A Latin Dictionary (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.