CORIACEOUS

coriaceous. Coriaceous, a. consisting of or like lether

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Co′ri‐a″ceous (k?′r?–?″sh?s), a. [[L. coriaceous, fr. corium leather. See Cuirass.]] 1. 1. Consisting of or resembling, leather; leatherlike; tough.
2. 2. (Bot.) Stiff, like leather or parchment.