castellis
castellis is a Latin form of castellum, meaning “fort, stronghold”. It is the ablative plural neuter noun.
Found 63 times in the Latin texts on Socratos.
Where it is used
Caesar, De Bello Gallico 2.29.2: cunctis oppidis castellisque desertis sua omnia in unum oppidum egregie natura munitum contulerunt.
Caesar, De Bello Civili 3.44: … uam latissimas regiones praesidiis teneret Caesarisque copias, quam maxime posset, distineret; idque accidit. Castellis enim XXIIII effectis XV milia passuum circuitu amplexus hoc spatio pabulabatur; multaque erant intra eum locu …
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.