Emily Dickinson Lexicon

CO-RI-A'CEOUS, a. [L. coriaceus, from corium, leather.]

1. Consisting of leather, or resembling leather; tough, as, coriaceous concretions. – Arbuthnot.
2. In botany, stiff, like leather or parchment; applied to a leaf, a calyx, or capsule. – Martyn.