Webster’s Revised Unabridged Dictionary · 1913
Corium
Co′ri·um (k?′r?-?m), n. [L. corium leather.] 1. Armor made of leather, particularly that used by the Romans; used also by Enlish soldiers till the reign of Edward I. Fosbroke.
2. (Anat.) (a) Same as Dermis. (b) The deep layer of mucous membranes beneath the epithelium.