'pachyderm' definitions:
Definition of 'pachyderm'
From: WordNet
noun
Any of various nonruminant hoofed mammals having very thick skin: elephant; rhinoceros; hippopotamus
Definition of 'pachyderm'
From: GCIDE
- pachyderm \pach"y*derm\ (p[a^]k"[i^]*d[~e]rm), n. [Cf. F. pachyderme.] (Zool.) Any of various nonruminant hoofed mammals having very thick skin, including the elephant, rhinoceros, and hippopotamus, one of the Pachydermata. [WordNet 1.5 + 1913 Webster]