hypsodont

from The Century Dictionary.

• Having lengthened crowns and short roots, the neck remaining long below the alveolar border of the socket: applied to such teeth as the molars of Bovidæ, in distinction from the brachyodont dentition of Cervidæ. See brachyodont.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• adjective dentistry Describing teeth that have large crowns (characteristic of herbivores)
• noun Any organism whose teeth have large crowns.