ferreis

ferreis is a Latin form of ferreus, meaning “made of iron; hard, cruel”. It is the ablative plural masculine adjective or ablative plural feminine adjective.

Found 39 times in the Latin texts on Socratos.

Where it is used

Caesar, De Bello Gallico 3.13.4: transtra ex pedalibus in altitudinem trabibus, confixa clavis ferreis digiti pollicis crassitudine;

All forms of ferreus (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.