a. [ L. coriaceous, fr. corium leather. See Cuirass. ] 1. Consisting of or resembling, leather; leatherlike; tough. [ 1913 Webster ]
2. (Bot.) Stiff, like leather or parchment. [ 1913 Webster ]
a. [ Cf. F. scoriacé. ] Of or pertaining to scoria; like scoria or the recrement of metals; partaking of the nature of scoria. [ 1913 Webster ]