from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Any of various large, thick-skinned, hoofed mammals such as the elephant, rhinoceros, or hippopotamus.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Someone (or something) with thick skin. It is used for animals such as an elephant or a hippopotamus.
  • n. A member of the obsolete taxonomic group Pachydermata, grouping of thick-skinned, hoofed animals such as the rhinoceros, hippopotamus, elephant, pig and horse.
  • n. An elephant
  • n. A person that is not affected by (does not care about) what others say about him or her.
  • n. Someone who is insensitive.

from the GNU version of the Collaborative International Dictionary of English

  • n. Any of various nonruminant hoofed mammals having very thick skin, including the elephant, rhinoceros, and hippopotamus, one of the Pachydermata.

from The Century Dictionary and Cyclopedia

  • Thick-skinned, as a member of the Pachydermata. Also pachydermal, pachydermatous, pachydermous.
  • n. A non-ruminant hoofed quadruped; any member of the old order Pachydermata.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. any of various nonruminant hoofed mammals having very thick skin: elephant; rhinoceros; hippopotamus


French pachyderme, from New Latin *Pachyderma, sing. of Pachydermata, obsolete order name, from Greek pakhudermos, thick-skinned : pakhus, thick + derma, skin; see derma1.
(American Heritage® Dictionary of the English Language, Fourth Edition)
pachy- + derma, from Ancient Greek παχύδερμος (pakhudermos), from παχύς (pakhus, "thick") + δέρμα (derma, "skin"). (Wiktionary)



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