arces
arces is a Latin form of arx, meaning “citadel, fortress; height, summit”. It is the accusative plural feminine noun or 2nd person singular present active indicative.
It can also be a form of arceo, “keep off, ward off; keep away, prevent”.
Found 173 times in the Latin texts on Socratos.
Where it is used
Vergil, Eclogues 2.61: Dardaniusque Paris. Pallas, quas condidit arces,
All forms of arx (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.