from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of a group of extinct mammals of the order Tillodontia

from the GNU version of the Collaborative International Dictionary of English

  • n. One of the Tillodontia.

from The Century Dictionary and Cyclopedia

  • Of or pertaining to the Tillodontia.
  • n. A member of the Tillodontia.


Sorry, no etymologies found.


  • If, for instance, he had had before him the disconnected fragments of an eocene tillodont he would undoubtedly have referred a molar tooth to one of his pachyderms, an incisor tooth to a rodent, and a claw bone to a carnivore.

    Lamarck, the Founder of Evolution His Life and Work


Log in or sign up to get involved in the conversation. It's quick and easy.

  • "A member of the Tillodontia, a group of extinct mammals apparently combining the characters of ungulates, rodents, and carnivora, whose remains are found in the Eocene of N. America." (OED)

    September 15, 2008