coriis
coriis is a Latin form of corium, meaning “hide, skin, leather”. It is the ablative plural neuter noun or dative plural neuter noun.
It can also be a form of corius, “skin/leather/hide; peel/rind/shell/outer cover; layer/coating”.
Found 27 times in the Latin texts on Socratos.
Where it is used
Caesar, De Bello Gallico 7.22.3: Totum autem murum ex omni parte turribus contabulaverant atque has coriis intexerant.
All forms of corium (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.