from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any individual of the extinct marsupial genus Diprotodon, similar to a wombat in appearance but the size of a small elephant.
from the GNU version of the Collaborative International Dictionary of English
- n. An extinct Quaternary marsupial from Australia, about as large as the hippopotamus; -- so named because of its two large front teeth. See Illustration in Appendix.
from The Century Dictionary and Cyclopedia
- n. A genus of extinct marsupial quadrupeds, surpassing the rhinoceros in size.
- n. [lowercase] An animal of this genus.
From Ancient Greek δίς (dis, "twice, doubly") + πρωτο- (proto-) (combination form of πρῶτος (protos, "first"), superlative of πρό (pro, "before")) + ὀδούς ("tooth") or ὀδών (Ionic) — hence “two front teeth.” (Wiktionary)