diprotodont

Century Dictionary and Cyclopedia

1. Having two lower front teeth; noting the herbivorous type of dentition in marsupial mammals, in which the median incisors are prominent, and the lateral incisors and canines small or wanting; specifically, having the characters of the genus Diprotodon: opposed to polyprotodont.
2. n. An animal of the genus Diprotodon; a marsupial with diprotodont dentition.