n.
Pronunciation: ' pa-ki- ˌ d ə rm
Function: noun
Etymology: French pachyderme, from Greek pachydermos thick-skinned, from pachys thick + derma skin; akin to Sanskrit bahu dense, much ― more at DERM-
Date: 1838
: any of various nonruminant mammals (as an elephant, a rhinoceros, or a hippopotamus) of a former group (Pachydermata) that have hooves or nails resembling hooves and usually thick skin especially : ELEPHANT