The Collaborative International Dictionary of English v.0.48:
pachydermal \pach`y*der"mal\ (p[a^]k"[i^]*d[~e]r"mal), a. (Zool.) Of or relating to the pachyderms; as, pachydermal dentition. [1913 Webster]WordNet (r) 3.0 (2006):
pachydermal adj 1: of or relating to or characteristic of pachyderms [syn: pachydermatous, pachydermal, pachydermic, pachydermous]