‖ Pachydermata, n. pl. Zool.
(pækɪˈdɜːmətə)
[mod.L., f. Gr. παχύ-ς thick + δέρµα, δέρµατ- skin.]
An order of Mammalia in Cuvier's system of classification, consisting of the hoofed or ungulate quadrupeds which do not chew the cud, as the elephant, rhinoceros, hippopotamus, hyrax, horse.
Disused by more recent zoologists; its constituents being distributed into various orders.
| 1823 Buckland Reliq. Diluv. 37 It is foreign to the habits of the hyæna to prey on the larger pachydermata. 1847 Youatt Horse v. 107 The horse does not ruminate, and therefore belongs to the order pachydermata. |