silices
silices is a Latin form of silex, meaning “flint, hard stone”. It is the nominative plural masculine noun.
Found 25 times in the Latin texts on Socratos.
Where it is used
Ovid, Amores 1.15.31: Ergo, cum silices, cum dens patientis aratri
All forms of silex (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.